Fix build

* Fix WinZip SFX folders not being scanned

Use PKZIP extraction to fix WinZip SFX extraction not extracting folders.

* Remove unneeded null check

* Add checks for incomplete zip entries

.github/workflows/build_nupkg.yml

@@ -0,0 +1,43 @@
+name: Nuget Pack
+
+on:
+  push:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+    
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 8.0.x
+        
+    - name: Restore dependencies
+      run: dotnet restore
+      
+    - name: Pack
+      run: dotnet pack
+
+    - name: Upload build
+      uses: actions/upload-artifact@v4
+      with:
+        name: 'Nuget Package'
+        path: 'BinaryObjectScanner/bin/Release/*.nupkg'
+
+    - name: Upload to rolling
+      uses: ncipollo/release-action@v1.14.0
+      with:
+        allowUpdates: True
+        artifacts: 'BinaryObjectScanner/bin/Release/*.nupkg'
+        body: 'Last built commit: ${{ github.sha }}'
+        name: 'Rolling Release'
+        prerelease: True
+        replacesArtifacts: True
+        tag: "rolling"
+        updateOnlyUnreleased: True

.github/workflows/build_test.yml

@@ -0,0 +1,53 @@
+name: Build Test
+
+on:
+  push:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        project: [Test]
+        runtime: [win-x86, win-x64, linux-x64, osx-x64] #[win-x86, win-x64, win-arm64, linux-x64, linux-arm64, osx-x64]
+        framework: [net8.0] #[net20, net35, net40, net452, net472, net48, netcoreapp3.1, net5.0, net6.0, net7.0, net8.0]
+        conf: [Release, Debug]
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+    
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 8.0.x
+        
+    - name: Restore dependencies
+      run: dotnet restore
+      
+    - name: Build
+      run: dotnet publish ${{ matrix.project }}/${{ matrix.project }}.csproj -f ${{ matrix.framework }} -r ${{ matrix.runtime }} -c ${{ matrix.conf == 'Release' && 'Release -p:DebugType=None -p:DebugSymbols=false' || 'Debug'}} --self-contained true --version-suffix ${{ github.sha }} ${{ (startsWith(matrix.framework, 'net5') || startsWith(matrix.framework, 'net6') || startsWith(matrix.framework, 'net7') || startsWith(matrix.framework, 'net8')) && '-p:PublishSingleFile=true' || ''}}
+        
+    - name: Archive build
+      run: zip -r ${{ matrix.project }}_${{ matrix.framework }}_${{ matrix.runtime }}_${{ matrix.conf }}.zip ${{ matrix.project }}/bin/${{ matrix.conf }}/${{ matrix.framework }}/${{ matrix.runtime }}/publish/
+        
+    - name: Upload build
+      uses: actions/upload-artifact@v4
+      with:
+        name: ${{ matrix.project }}_${{ matrix.framework }}_${{ matrix.runtime }}_${{ matrix.conf }}
+        path: ${{ matrix.project }}_${{ matrix.framework }}_${{ matrix.runtime }}_${{ matrix.conf }}.zip
+
+    - name: Upload to rolling
+      uses: ncipollo/release-action@v1.14.0
+      with:
+        allowUpdates: True
+        artifacts: ${{ matrix.project }}_${{ matrix.framework }}_${{ matrix.runtime }}_${{ matrix.conf }}.zip
+        body: 'Last built commit: ${{ github.sha }}'
+        name: 'Rolling Release'
+        prerelease: True
+        replacesArtifacts: True
+        tag: "rolling"
+        updateOnlyUnreleased: True

.github/workflows/check_pr.yml

@@ -0,0 +1,17 @@
+name: Build PR
+
+on: [pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 8.0.x
+      
+    - name: Build
+      run: dotnet build

.gitmodules

@@ -1,3 +1,9 @@
 [submodule "BinaryObjectScanner/_EXTERNAL/stormlibsharp"]
 	path = BinaryObjectScanner/_EXTERNAL/stormlibsharp
 	url = https://github.com/robpaveza/stormlibsharp.git
+[submodule "BinaryObjectScanner/_EXTERNAL/libmspack4n"]
+	path = BinaryObjectScanner/_EXTERNAL/libmspack4n
+	url = https://github.com/activescott/libmspack4n.git
+[submodule "BinaryObjectScanner/_EXTERNAL/LessIO"]
+	path = BinaryObjectScanner/_EXTERNAL/LessIO
+	url = https://github.com/activescott/LessIO.git

.vscode/launch.json

@@ -10,7 +10,7 @@
             "request": "launch",
             "preLaunchTask": "build",
             // If you have changed target frameworks, make sure to update the program path.
-            "program": "${workspaceFolder}/Test/bin/Debug/net6.0/Test.dll",
+            "program": "${workspaceFolder}/Test/bin/Debug/net8.0/Test.dll",
             "args": [],
             "cwd": "${workspaceFolder}/Test",
             // For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console

BinaryObjectScanner.sln

@@ -12,7 +12,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		Developer Guide.md = Developer Guide.md
 		LICENSE = LICENSE
 		publish-nix.sh = publish-nix.sh
-		publish-win.bat = publish-win.bat
+		publish-win.ps1 = publish-win.ps1
 		README.md = README.md
 	EndProjectSection
 EndProject

BinaryObjectScanner/BinaryObjectScanner.csproj

@@ -2,39 +2,58 @@
 
   <PropertyGroup>
     <!-- Assembly Properties -->
-    <TargetFrameworks>net48;net6.0;net7.0</TargetFrameworks>
-    <RuntimeIdentifiers>win-x86;win-x64;linux-x64;osx-x64</RuntimeIdentifiers>
-    <Version>2.9.0</Version>
+    <TargetFrameworks>net20;net35;net40;net452;net462;net472;net48;netcoreapp3.1;net5.0;net6.0;net7.0;net8.0</TargetFrameworks>
+    <RuntimeIdentifiers>win-x86;win-x64;win-arm64;linux-x64;linux-arm64;osx-x64</RuntimeIdentifiers>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <CheckEolTargetFramework>false</CheckEolTargetFramework>
+    <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
+    <LangVersion>latest</LangVersion>
+    <Nullable>enable</Nullable>
+    <SuppressTfmSupportBuildWarnings>true</SuppressTfmSupportBuildWarnings>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <Version>3.1.8</Version>
+    <!-- Mostly added due to external libraries -->
+    <WarningsNotAsErrors>CS0162;CS0612;CS8600;CS8601;CS8602;CS8603;CS8604;CS8605;CS8618;CS8625;CS8634;CS8765;IL3000;NU5100</WarningsNotAsErrors>
   
     <!-- Package Properties -->
-    <PackageId>BurnOutSharp</PackageId> <!-- Temporary until official renaming -->
     <Authors>Matt Nadareski</Authors>
     <Description>Protection scanning library</Description>
-    <Copyright>Copyright (c)2018-2023 Matt Nadareski</Copyright>
+    <Copyright>Copyright (c)2018-2024 Matt Nadareski</Copyright>
     <PackageProjectUrl>https://github.com/SabreTools/</PackageProjectUrl>
-    <RepositoryUrl>https://github.com/mnadareski/BurnOutSharp</RepositoryUrl>
+    <RepositoryUrl>https://github.com/SabreTools/BinaryObjectScanner</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <PackageTags>protection copy-protection scanning packer</PackageTags>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
   </PropertyGroup>
 
-  <PropertyGroup Condition="'$(TargetFramework)'!='net48'">
-    <Nullable>enable</Nullable>
+  <!-- Set a build flag for Windows specifically -->
+  <PropertyGroup Condition="'$(RuntimeIdentifier)'=='win-x86'">
+    <DefineConstants>$(DefineConstants);WIN</DefineConstants>
   </PropertyGroup>
 
-  <!-- These are needed for dealing with submodules -->
+  <!-- Exclude certain parts of external modules for .NET Framework 4.5.2 and above -->
   <PropertyGroup>
     <DefaultItemExcludes>
       $(DefaultItemExcludes);
       **\AssemblyInfo.cs;
+      _EXTERNAL\LessIO\src\LessIO.Tests\**;
+      _EXTERNAL\libmspack4n\lib\**;
+      _EXTERNAL\libmspack4n\libmspack4ntest\**;
       _EXTERNAL\stormlibsharp\lib\**;
       _EXTERNAL\stormlibsharp\src\TestConsole\**
     </DefaultItemExcludes>
   </PropertyGroup>
 
+  <!-- Exclude all external modules for .NET Framework 2.0, .NET Framework 3.5, .NET Framework 4.0 or non-Windows builds -->
+  <PropertyGroup Condition="$(TargetFramework.StartsWith(`net2`)) OR $(TargetFramework.StartsWith(`net3`)) OR $(TargetFramework.StartsWith(`net40`)) OR !$(RuntimeIdentifier.StartsWith(`win-`))">
+    <DefaultItemExcludes>
+      $(DefaultItemExcludes);
+      _EXTERNAL\**
+    </DefaultItemExcludes>
+  </PropertyGroup>
+
   <!-- These are needed for dealing with native Windows DLLs -->
-  <ItemGroup>
+  <ItemGroup Condition="!$(TargetFramework.StartsWith(`net2`)) AND !$(TargetFramework.StartsWith(`net3`)) AND !$(TargetFramework.StartsWith(`net40`))">
     <Content Include="*.dll">
       <Pack>true</Pack>
       <PackagePath>contentFiles;content</PackagePath>
@@ -47,22 +66,31 @@
     </Content>
   </ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="OpenMcdf" Version="2.3.0" />
-    <PackageReference Include="SabreTools.Compression" Version="0.1.1" />
-    <PackageReference Include="SabreTools.IO" Version="1.1.1" />
-    <PackageReference Include="SabreTools.Matching" Version="1.1.1" />
-    <PackageReference Include="SabreTools.Models" Version="1.1.5" />
-    <PackageReference Include="SabreTools.Serialization" Version="1.1.7" />
-    <PackageReference Include="SharpCompress" Version="0.34.1" />
-    <PackageReference Include="SharpZipLib" Version="1.4.2" />
-    <PackageReference Include="System.Text.Encoding.CodePages" Version="7.0.0" />
-    <PackageReference Include="UnshieldSharp" Version="1.6.9" />
-    <PackageReference Include="WiseUnpacker" Version="1.0.4" />
+  <!-- Support for old .NET versions -->
+  <ItemGroup Condition="$(TargetFramework.StartsWith(`net2`)) OR $(TargetFramework.StartsWith(`net3`)) OR $(TargetFramework.StartsWith(`net40`))">
+    <PackageReference Include="MinThreadingBridge" Version="0.11.4" />
+    <PackageReference Include="MinTasksExtensionsBridge" Version="0.3.4" />
   </ItemGroup>
-
-  <ItemGroup Condition="'$(TargetFramework)'=='net48'">
+  <ItemGroup Condition="!$(TargetFramework.StartsWith(`net2`)) AND !$(TargetFramework.StartsWith(`net3`))">
+    <PackageReference Include="OpenMcdf" Version="2.3.1" />
+  </ItemGroup>
+  <ItemGroup Condition="!$(TargetFramework.StartsWith(`net2`)) AND !$(TargetFramework.StartsWith(`net3`)) AND !$(TargetFramework.StartsWith(`net40`)) AND !$(TargetFramework.StartsWith(`net452`))">
+    <PackageReference Include="SharpCompress" Version="0.37.0" />
+    <PackageReference Include="System.Text.Encoding.CodePages" Version="8.0.0" />
+  </ItemGroup>
+  <ItemGroup Condition="$(TargetFramework.StartsWith(`net4`)) AND !$(TargetFramework.StartsWith(`net40`))">
     <PackageReference Include="System.Memory" Version="4.5.5" />
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="SabreTools.Compression" Version="0.5.1" />
+    <PackageReference Include="SabreTools.Hashing" Version="1.2.0" />
+    <PackageReference Include="SabreTools.IO" Version="1.4.5" />
+    <PackageReference Include="SabreTools.Matching" Version="1.3.1" />
+    <PackageReference Include="SabreTools.Models" Version="1.4.5" />
+    <PackageReference Include="SabreTools.Serialization" Version="1.6.0" />
+    <PackageReference Include="UnshieldSharp" Version="1.8.2" />
+    <PackageReference Include="WiseUnpacker" Version="1.4.2" />
+  </ItemGroup>
+
 </Project>

BinaryObjectScanner/Factory.cs

@@ -1,5 +1,5 @@
 using BinaryObjectScanner.Interfaces;
-using BinaryObjectScanner.Utilities;
+using SabreTools.Serialization.Wrappers;
 
 namespace BinaryObjectScanner
 {
@@ -8,24 +8,22 @@ namespace BinaryObjectScanner
         /// <summary>
         /// Create an instance of a detectable based on file type
         /// </summary>
-#if NET48
-        public static IDetectable CreateDetectable(SupportedFileType fileType)
-#else
-        public static IDetectable? CreateDetectable(SupportedFileType fileType)
-#endif
+        public static IDetectable? CreateDetectable(WrapperType fileType)
         {
             switch (fileType)
             {
-                case SupportedFileType.AACSMediaKeyBlock: return new BinaryObjectScanner.FileType.AACSMediaKeyBlock();
-                case SupportedFileType.BDPlusSVM: return new BinaryObjectScanner.FileType.BDPlusSVM();
-                //case SupportedFileType.CIA: return new BinaryObjectScanner.FileType.CIA();
-                case SupportedFileType.Executable: return new BinaryObjectScanner.FileType.Executable();
-                case SupportedFileType.LDSCRYPT: return new BinaryObjectScanner.FileType.LDSCRYPT();
-                //case SupportedFileType.N3DS: return new BinaryObjectScanner.FileType.N3DS();
-                //case SupportedFileType.Nitro: return new BinaryObjectScanner.FileType.Nitro();
-                case SupportedFileType.PLJ: return new BinaryObjectScanner.FileType.PLJ();
-                case SupportedFileType.SFFS: return new BinaryObjectScanner.FileType.SFFS();
-                case SupportedFileType.Textfile: return new BinaryObjectScanner.FileType.Textfile();
+                case WrapperType.AACSMediaKeyBlock: return new FileType.AACSMediaKeyBlock();
+                case WrapperType.BDPlusSVM: return new FileType.BDPlusSVM();
+                //case WrapperType.CIA: return new FileType.CIA();
+                case WrapperType.Executable: return new FileType.Executable();
+                case WrapperType.LDSCRYPT: return new FileType.LDSCRYPT();
+                //case WrapperType.N3DS: return new FileType.N3DS();
+                //case WrapperType.Nitro: return new FileType.Nitro();
+                case WrapperType.PlayJAudioFile: return new FileType.PLJ();
+                case WrapperType.RealArcadeInstaller: return new FileType.RealArcadeInstaller();
+                case WrapperType.RealArcadeMezzanine: return new FileType.RealArcadeMezzanine();
+                case WrapperType.SFFS: return new FileType.SFFS();
+                case WrapperType.Textfile: return new FileType.Textfile();
                 default: return null;
             }
         }
@@ -33,44 +31,40 @@ namespace BinaryObjectScanner
         /// <summary>
         /// Create an instance of an extractable based on file type
         /// </summary>
-#if NET48
-        public static IExtractable CreateExtractable(SupportedFileType fileType)
-#else
-        public static IExtractable? CreateExtractable(SupportedFileType fileType)
-#endif
+        public static IExtractable? CreateExtractable(WrapperType fileType)
         {
             switch (fileType)
             {
-                case SupportedFileType.BFPK: return new BinaryObjectScanner.FileType.BFPK();
-                case SupportedFileType.BSP: return new BinaryObjectScanner.FileType.BSP();
-                case SupportedFileType.BZip2: return new BinaryObjectScanner.FileType.BZip2();
-                case SupportedFileType.CFB: return new BinaryObjectScanner.FileType.CFB();
-                //case SupportedFileType.CIA: return new BinaryObjectScanner.FileType.CIA();
-                case SupportedFileType.GCF: return new BinaryObjectScanner.FileType.GCF();
-                case SupportedFileType.GZIP: return new BinaryObjectScanner.FileType.GZIP();
-                case SupportedFileType.InstallShieldArchiveV3: return new BinaryObjectScanner.FileType.InstallShieldArchiveV3();
-                case SupportedFileType.InstallShieldCAB: return new BinaryObjectScanner.FileType.InstallShieldCAB();
-                case SupportedFileType.MicrosoftCAB: return new BinaryObjectScanner.FileType.MicrosoftCAB();
-                case SupportedFileType.MicrosoftLZ: return new BinaryObjectScanner.FileType.MicrosoftLZ();
-                case SupportedFileType.MPQ: return new BinaryObjectScanner.FileType.MPQ();
-                //case SupportedFileType.N3DS: return new BinaryObjectScanner.FileType.N3DS();
-                //case SupportedFileType.NCF: return new BinaryObjectScanner.FileType.NCF();
-                //case SupportedFileType.Nitro: return new BinaryObjectScanner.FileType.Nitro();
-                case SupportedFileType.PAK: return new BinaryObjectScanner.FileType.PAK();
-                case SupportedFileType.PFF: return new BinaryObjectScanner.FileType.PFF();
-                case SupportedFileType.PKZIP: return new BinaryObjectScanner.FileType.PKZIP();
-                //case SupportedFileType.PLJ: return new BinaryObjectScanner.FileType.PLJ();
-                //case SupportedFileType.Quantum: return new BinaryObjectScanner.FileType.Quantum();
-                case SupportedFileType.RAR: return new BinaryObjectScanner.FileType.RAR();
-                case SupportedFileType.SevenZip: return new BinaryObjectScanner.FileType.SevenZip();
-                case SupportedFileType.SFFS: return new BinaryObjectScanner.FileType.SFFS();
-                case SupportedFileType.SGA: return new BinaryObjectScanner.FileType.SGA();
-                case SupportedFileType.TapeArchive: return new BinaryObjectScanner.FileType.TapeArchive();
-                case SupportedFileType.VBSP: return new BinaryObjectScanner.FileType.VBSP();
-                case SupportedFileType.VPK: return new BinaryObjectScanner.FileType.VPK();
-                case SupportedFileType.WAD: return new BinaryObjectScanner.FileType.WAD();
-                case SupportedFileType.XZ: return new BinaryObjectScanner.FileType.XZ();
-                case SupportedFileType.XZP: return new BinaryObjectScanner.FileType.XZP();
+                case WrapperType.BFPK: return new FileType.BFPK();
+                case WrapperType.BSP: return new FileType.BSP();
+                case WrapperType.BZip2: return new FileType.BZip2();
+                case WrapperType.CFB: return new FileType.CFB();
+                //case WrapperType.CIA: return new FileType.CIA();
+                case WrapperType.GCF: return new FileType.GCF();
+                case WrapperType.GZIP: return new FileType.GZIP();
+                case WrapperType.InstallShieldArchiveV3: return new FileType.InstallShieldArchiveV3();
+                case WrapperType.InstallShieldCAB: return new FileType.InstallShieldCAB();
+                case WrapperType.MicrosoftCAB: return new FileType.MicrosoftCAB();
+                case WrapperType.MicrosoftLZ: return new FileType.MicrosoftLZ();
+                case WrapperType.MoPaQ: return new FileType.MPQ();
+                //case WrapperType.N3DS: return new FileType.N3DS();
+                //case WrapperType.NCF: return new FileType.NCF();
+                //case WrapperType.Nitro: return new FileType.Nitro();
+                case WrapperType.PAK: return new FileType.PAK();
+                case WrapperType.PFF: return new FileType.PFF();
+                case WrapperType.PKZIP: return new FileType.PKZIP();
+                //case WrapperType.PlayJAudioFile: return new FileType.PLJ();
+                //case WrapperType.Quantum: return new FileType.Quantum();
+                case WrapperType.RAR: return new FileType.RAR();
+                case WrapperType.SevenZip: return new FileType.SevenZip();
+                case WrapperType.SFFS: return new FileType.SFFS();
+                case WrapperType.SGA: return new FileType.SGA();
+                case WrapperType.TapeArchive: return new FileType.TapeArchive();
+                case WrapperType.VBSP: return new FileType.VBSP();
+                case WrapperType.VPK: return new FileType.VPK();
+                case WrapperType.WAD: return new FileType.WAD();
+                case WrapperType.XZ: return new FileType.XZ();
+                case WrapperType.XZP: return new FileType.XZP();
                 default: return null;
             }
         }

BinaryObjectScanner/FileType/AACSMediaKeyBlock.cs

@@ -11,27 +11,19 @@ namespace BinaryObjectScanner.FileType
     public class AACSMediaKeyBlock : IDetectable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Detect(string file, bool includeDebug)
-#else
         public string? Detect(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Detect(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Detect(Stream stream, string file, bool includeDebug)
-#else
         public string? Detect(Stream stream, string file, bool includeDebug)
-#endif
         {
             // If the MKB file itself fails
             try

BinaryObjectScanner/FileType/BDPlusSVM.cs

@@ -10,27 +10,19 @@ namespace BinaryObjectScanner.FileType
     public class BDPlusSVM : IDetectable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Detect(string file, bool includeDebug)
-#else
         public string? Detect(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Detect(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Detect(Stream stream, string file, bool includeDebug)
-#else
         public string? Detect(Stream stream, string file, bool includeDebug)
-#endif
         {
             // If the BD+ file itself fails
             try

BinaryObjectScanner/FileType/BFPK.cs

@@ -1,8 +1,10 @@
 using System;
 using System.IO;
 using BinaryObjectScanner.Interfaces;
+#if NET462_OR_GREATER || NETCOREAPP
 using SharpCompress.Compressors;
 using SharpCompress.Compressors.Deflate;
+#endif
 
 namespace BinaryObjectScanner.FileType
 {
@@ -12,27 +14,17 @@ namespace BinaryObjectScanner.FileType
     public class BFPK : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -56,7 +48,7 @@ namespace BinaryObjectScanner.FileType
                 return null;
             }
         }
-    
+
         /// <summary>
         /// Extract all files from the BFPK to an output directory
         /// </summary>
@@ -117,25 +109,26 @@ namespace BinaryObjectScanner.FileType
 
                 // Create the output path
                 string filePath = Path.Combine(outputDirectory, file.Name ?? $"file{index}");
-                using (FileStream fs = File.OpenWrite(filePath))
-                {
-                    // Read the data block
-                    var data = item.ReadFromDataSource(offset, compressedSize);
-                    if (data == null)
-                        return false;
+                using FileStream fs = File.OpenWrite(filePath);
 
-                    // If we have uncompressed data
-                    if (compressedSize == file.UncompressedSize)
-                    {
-                        fs.Write(data, 0, compressedSize);
-                    }
+                // Read the data block
+                var data = item.ReadFromDataSource(offset, compressedSize);
+                if (data == null)
+                    return false;
+
+                // If we have uncompressed data
+                if (compressedSize == file.UncompressedSize)
+                {
+                    fs.Write(data, 0, compressedSize);
+                }
+#if NET462_OR_GREATER || NETCOREAPP
                     else
                     {
                         MemoryStream ms = new MemoryStream(data);
                         ZlibStream zs = new ZlibStream(ms, CompressionMode.Decompress);
                         zs.CopyTo(fs);
                     }
-                }
+#endif
 
                 return true;
             }

BinaryObjectScanner/FileType/BSP.cs

@@ -11,27 +11,19 @@ namespace BinaryObjectScanner.FileType
     public class BSP : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Extract(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -117,7 +109,7 @@ namespace BinaryObjectScanner.FileType
             }
 
             // If we have an invalid output directory
-            if (string.IsNullOrWhiteSpace(outputDirectory))
+            if (string.IsNullOrEmpty(outputDirectory))
                 return false;
 
             // Create the full output path
@@ -196,7 +188,7 @@ namespace BinaryObjectScanner.FileType
             string filename = $"{texture.Name}.bmp";
 
             // If we have an invalid output directory
-            if (string.IsNullOrWhiteSpace(outputDirectory))
+            if (string.IsNullOrEmpty(outputDirectory))
                 return false;
 
             // Create the full output path
@@ -229,11 +221,7 @@ namespace BinaryObjectScanner.FileType
         /// </summary>
         /// <param name="texture">Texture object to format</param>
         /// <returns>Byte array representing the texture as a bitmap</returns>
-#if NET48
-        private static byte[] CreateTextureData(SabreTools.Models.BSP.Texture texture)
-#else
         private static byte[]? CreateTextureData(SabreTools.Models.BSP.Texture texture)
-#endif
         {
             // If there's no palette data
             if (texture.PaletteData == null || texture.PaletteData.Length == 0)

BinaryObjectScanner/FileType/BZip2.cs

@@ -1,8 +1,10 @@
 using System;
 using System.IO;
 using BinaryObjectScanner.Interfaces;
+#if NET462_OR_GREATER || NETCOREAPP
 using SharpCompress.Compressors;
 using SharpCompress.Compressors.BZip2;
+#endif
 
 namespace BinaryObjectScanner.FileType
 {
@@ -12,31 +14,22 @@ namespace BinaryObjectScanner.FileType
     public class BZip2 : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             if (stream == null)
                 return null;
 
+#if NET462_OR_GREATER || NETCOREAPP
             try
             {
                 // Create a temp output directory
@@ -59,6 +52,9 @@ namespace BinaryObjectScanner.FileType
                 if (includeDebug) Console.WriteLine(ex);
                 return null;
             }
+#else
+            return null;
+#endif
         }
     }
 }

BinaryObjectScanner/FileType/CFB.cs

@@ -2,7 +2,9 @@
 using System.IO;
 using System.Text;
 using BinaryObjectScanner.Interfaces;
+#if NET40_OR_GREATER || NETCOREAPP
 using OpenMcdf;
+#endif
 
 namespace BinaryObjectScanner.FileType
 {
@@ -12,28 +14,22 @@ namespace BinaryObjectScanner.FileType
     public class CFB : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
+#if NET20 || NET35
+            // Not supported for .NET Framework 2.0 or .NET Framework 3.5 due to library support
+            return null;
+#else
             try
             {
                 // Create a temp output directory
@@ -92,14 +88,11 @@ namespace BinaryObjectScanner.FileType
                 if (includeDebug) Console.WriteLine(ex);
                 return null;
             }
+#endif
         }
 
         /// <remarks>Adapted from LibMSI</remarks>
-#if NET48
-        public static string DecodeStreamName(string input)
-#else
         public static string? DecodeStreamName(string input)
-#endif
         {
             if (input == null)
                 return null;

BinaryObjectScanner/FileType/Executable.cs

@@ -1,11 +1,15 @@
 using System;
+#if NET40_OR_GREATER || NETCOREAPP
 using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Text;
+#if NET40_OR_GREATER || NETCOREAPP
 using System.Threading.Tasks;
+#endif
 using BinaryObjectScanner.Interfaces;
 using BinaryObjectScanner.Utilities;
 using SabreTools.Serialization.Wrappers;
@@ -40,10 +44,8 @@ namespace BinaryObjectScanner.FileType
         {
             get
             {
-                if (contentCheckClasses == null)
-                    contentCheckClasses = InitCheckClasses<IContentCheck>();
-
-                return contentCheckClasses ?? Enumerable.Empty<IContentCheck>();
+                contentCheckClasses ??= InitCheckClasses<IContentCheck>();
+                return contentCheckClasses ?? [];
             }
         }
 
@@ -54,10 +56,8 @@ namespace BinaryObjectScanner.FileType
         {
             get
             {
-                if (linearExecutableCheckClasses == null)
-                    linearExecutableCheckClasses = InitCheckClasses<ILinearExecutableCheck>();
-
-                return linearExecutableCheckClasses ?? Enumerable.Empty<ILinearExecutableCheck>();
+                linearExecutableCheckClasses ??= InitCheckClasses<ILinearExecutableCheck>();
+                return linearExecutableCheckClasses ?? [];
             }
         }
 
@@ -68,10 +68,8 @@ namespace BinaryObjectScanner.FileType
         {
             get
             {
-                if (msdosExecutableCheckClasses == null)
-                    msdosExecutableCheckClasses = InitCheckClasses<IMSDOSExecutableCheck>();
-
-                return msdosExecutableCheckClasses ?? Enumerable.Empty<IMSDOSExecutableCheck>();
+                msdosExecutableCheckClasses ??= InitCheckClasses<IMSDOSExecutableCheck>();
+                return msdosExecutableCheckClasses ?? [];
             }
         }
 
@@ -82,10 +80,8 @@ namespace BinaryObjectScanner.FileType
         {
             get
             {
-                if (newExecutableCheckClasses == null)
-                    newExecutableCheckClasses = InitCheckClasses<INewExecutableCheck>();
-
-                return newExecutableCheckClasses ?? Enumerable.Empty<INewExecutableCheck>();
+                newExecutableCheckClasses ??= InitCheckClasses<INewExecutableCheck>();
+                return newExecutableCheckClasses ?? [];
             }
         }
 
@@ -96,10 +92,8 @@ namespace BinaryObjectScanner.FileType
         {
             get
             {
-                if (portableExecutableCheckClasses == null)
-                    portableExecutableCheckClasses = InitCheckClasses<IPortableExecutableCheck>();
-
-                return portableExecutableCheckClasses ?? Enumerable.Empty<IPortableExecutableCheck>();
+                portableExecutableCheckClasses ??= InitCheckClasses<IPortableExecutableCheck>();
+                return portableExecutableCheckClasses ?? [];
             }
         }
 
@@ -110,72 +104,42 @@ namespace BinaryObjectScanner.FileType
         /// <summary>
         /// Cache for all IContentCheck types
         /// </summary>
-#if NET48
-        private static IEnumerable<IContentCheck> contentCheckClasses;
-#else
         private static IEnumerable<IContentCheck>? contentCheckClasses;
-#endif
 
         /// <summary>
         /// Cache for all ILinearExecutableCheck types
         /// </summary>
-#if NET48
-        private static IEnumerable<ILinearExecutableCheck> linearExecutableCheckClasses;
-#else
         private static IEnumerable<ILinearExecutableCheck>? linearExecutableCheckClasses;
-#endif
 
         /// <summary>
         /// Cache for all IMSDOSExecutableCheck types
         /// </summary>
-#if NET48
-        private static IEnumerable<IMSDOSExecutableCheck> msdosExecutableCheckClasses;
-#else
         private static IEnumerable<IMSDOSExecutableCheck>? msdosExecutableCheckClasses;
-#endif
 
         /// <summary>
         /// Cache for all INewExecutableCheck types
         /// </summary>
-#if NET48
-        private static IEnumerable<INewExecutableCheck> newExecutableCheckClasses;
-#else
         private static IEnumerable<INewExecutableCheck>? newExecutableCheckClasses;
-#endif
 
         /// <summary>
         /// Cache for all IPortableExecutableCheck types
         /// </summary>
-#if NET48
-        private static IEnumerable<IPortableExecutableCheck> portableExecutableCheckClasses;
-#else
         private static IEnumerable<IPortableExecutableCheck>? portableExecutableCheckClasses;
-#endif
 
         #endregion
 
         /// <inheritdoc/>
-#if NET48
-        public string Detect(string file, bool includeDebug)
-#else
         public string? Detect(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Detect(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Detect(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Detect(Stream stream, string file, bool includeDebug)
-#else
         public string? Detect(Stream stream, string file, bool includeDebug)
-#endif
         {
             // Try to create a wrapper for the proper executable type
             var wrapper = WrapperFactory.CreateExecutableWrapper(stream);
@@ -183,7 +147,11 @@ namespace BinaryObjectScanner.FileType
                 return null;
 
             // Create the internal queue
+#if NET20 || NET35
+            var protections = new Queue<string>();
+#else
             var protections = new ConcurrentQueue<string>();
+#endif
 
             // Only use generic content checks if we're in debug mode
             if (includeDebug)
@@ -218,7 +186,7 @@ namespace BinaryObjectScanner.FileType
                     protections.AddRange(subProtections.Values.ToArray());
             }
 
-            return string.Join(";", protections);
+            return string.Join(";", [.. protections]);
         }
 
         #region Check Runners
@@ -230,28 +198,30 @@ namespace BinaryObjectScanner.FileType
         /// <param name="stream">Stream to scan the contents of</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>Set of protections in file, null on error</returns>
-#if NET48
-        public ConcurrentDictionary<IContentCheck, string> RunContentChecks(string file, Stream stream, bool includeDebug)
+#if NET20 || NET35
+        public Dictionary<IContentCheck, string>? RunContentChecks(string? file, Stream stream, bool includeDebug)
 #else
         public ConcurrentDictionary<IContentCheck, string>? RunContentChecks(string? file, Stream stream, bool includeDebug)
 #endif
         {
             // If we have an invalid file
-            if (string.IsNullOrWhiteSpace(file))
+            if (string.IsNullOrEmpty(file))
                 return null;
             else if (!File.Exists(file))
                 return null;
 
             // Read the file contents
-            byte[] fileContent = new byte[0];
+            byte[] fileContent = [];
             try
             {
-                using (BinaryReader br = new BinaryReader(stream, Encoding.Default, true))
-                {
-                    fileContent = br.ReadBytes((int)stream.Length);
-                    if (fileContent == null)
-                        return null;
-                }
+#if NET20 || NET35 || NET40
+                using var br = new BinaryReader(stream, Encoding.Default);
+#else
+                using var br = new BinaryReader(stream, Encoding.Default, true);
+#endif
+                fileContent = br.ReadBytes((int)stream.Length);
+                if (fileContent == null)
+                    return null;
             }
             catch (Exception ex)
             {
@@ -260,26 +230,51 @@ namespace BinaryObjectScanner.FileType
             }
 
             // Create the output dictionary
+#if NET20 || NET35
+            var protections = new Dictionary<IContentCheck, string>();
+#else
             var protections = new ConcurrentDictionary<IContentCheck, string>();
+#endif
 
             // Iterate through all checks
+#if NET20 || NET35
+            foreach (var checkClass in ContentCheckClasses)
+#else
             Parallel.ForEach(ContentCheckClasses, checkClass =>
+#endif
             {
                 // Get the protection for the class, if possible
-                var protection = checkClass.CheckContents(file, fileContent, includeDebug);
-                if (string.IsNullOrWhiteSpace(protection))
+                var protection = checkClass.CheckContents(file!, fileContent, includeDebug);
+                if (string.IsNullOrEmpty(protection))
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
                 // If we are filtering on game engines
                 if (CheckIfGameEngine(checkClass) && !IncludeGameEngines)
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
                 // If we are filtering on packers
                 if (CheckIfPacker(checkClass) && !IncludePackers)
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
-                protections.TryAdd(checkClass, protection);
+#if NET20 || NET35
+                protections[checkClass] = protection!;
+            }
+#else
+                protections.TryAdd(checkClass, protection!);
             });
+#endif
 
             return protections;
         }
@@ -291,29 +286,58 @@ namespace BinaryObjectScanner.FileType
         /// <param name="lex">Executable to scan</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>Set of protections in file, null on error</returns>
+#if NET20 || NET35
+        public Dictionary<ILinearExecutableCheck, string> RunLinearExecutableChecks(string file, Stream stream, LinearExecutable lex, bool includeDebug)
+#else
         public ConcurrentDictionary<ILinearExecutableCheck, string> RunLinearExecutableChecks(string file, Stream stream, LinearExecutable lex, bool includeDebug)
+#endif
         {
             // Create the output dictionary
+#if NET20 || NET35
+            var protections = new Dictionary<ILinearExecutableCheck, string>();
+#else
             var protections = new ConcurrentDictionary<ILinearExecutableCheck, string>();
+#endif
 
             // Iterate through all checks
+#if NET20 || NET35
+            foreach (var checkClass in LinearExecutableCheckClasses)
+#else
             Parallel.ForEach(LinearExecutableCheckClasses, checkClass =>
+#endif
             {
                 // Get the protection for the class, if possible
                 var protection = checkClass.CheckLinearExecutable(file, lex, includeDebug);
-                if (string.IsNullOrWhiteSpace(protection))
+                if (string.IsNullOrEmpty(protection))
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
                 // If we are filtering on game engines
                 if (CheckIfGameEngine(checkClass) && !IncludeGameEngines)
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
                 // If we are filtering on packers
                 if (CheckIfPacker(checkClass) && !IncludePackers)
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
-                protections.TryAdd(checkClass, protection);
+#if NET20 || NET35
+                protections[checkClass] = protection!;
+            }
+#else
+                protections.TryAdd(checkClass, protection!);
             });
+#endif
 
             return protections;
         }
@@ -325,29 +349,58 @@ namespace BinaryObjectScanner.FileType
         /// <param name="mz">Executable to scan</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>Set of protections in file, null on error</returns>
+#if NET20 || NET35
+        public Dictionary<IMSDOSExecutableCheck, string> RunMSDOSExecutableChecks(string file, Stream stream, MSDOS mz, bool includeDebug)
+#else
         public ConcurrentDictionary<IMSDOSExecutableCheck, string> RunMSDOSExecutableChecks(string file, Stream stream, MSDOS mz, bool includeDebug)
+#endif
         {
             // Create the output dictionary
+#if NET20 || NET35
+            var protections = new Dictionary<IMSDOSExecutableCheck, string>();
+#else
             var protections = new ConcurrentDictionary<IMSDOSExecutableCheck, string>();
+#endif
 
             // Iterate through all checks
+#if NET20 || NET35
+            foreach (var checkClass in MSDOSExecutableCheckClasses)
+#else
             Parallel.ForEach(MSDOSExecutableCheckClasses, checkClass =>
+#endif
             {
                 // Get the protection for the class, if possible
                 var protection = checkClass.CheckMSDOSExecutable(file, mz, includeDebug);
-                if (string.IsNullOrWhiteSpace(protection))
+                if (string.IsNullOrEmpty(protection))
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
                 // If we are filtering on game engines
                 if (CheckIfGameEngine(checkClass) && !IncludeGameEngines)
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
                 // If we are filtering on packers
                 if (CheckIfPacker(checkClass) && !IncludePackers)
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
-                protections.TryAdd(checkClass, protection);
+#if NET20 || NET35
+                protections[checkClass] = protection!;
+            }
+#else
+                protections.TryAdd(checkClass, protection!);
             });
+#endif
 
             return protections;
         }
@@ -359,29 +412,58 @@ namespace BinaryObjectScanner.FileType
         /// <param name="nex">Executable to scan</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>Set of protections in file, null on error</returns>
+#if NET20 || NET35
+        public Dictionary<INewExecutableCheck, string> RunNewExecutableChecks(string file, Stream stream, NewExecutable nex, bool includeDebug)
+#else
         public ConcurrentDictionary<INewExecutableCheck, string> RunNewExecutableChecks(string file, Stream stream, NewExecutable nex, bool includeDebug)
+#endif
         {
             // Create the output dictionary
+#if NET20 || NET35
+            var protections = new Dictionary<INewExecutableCheck, string>();
+#else
             var protections = new ConcurrentDictionary<INewExecutableCheck, string>();
+#endif
 
             // Iterate through all checks
+#if NET20 || NET35
+            foreach (var checkClass in NewExecutableCheckClasses)
+#else
             Parallel.ForEach(NewExecutableCheckClasses, checkClass =>
+#endif
             {
                 // Get the protection for the class, if possible
                 var protection = checkClass.CheckNewExecutable(file, nex, includeDebug);
-                if (string.IsNullOrWhiteSpace(protection))
+                if (string.IsNullOrEmpty(protection))
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
                 // If we are filtering on game engines
                 if (CheckIfGameEngine(checkClass) && !IncludeGameEngines)
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
                 // If we are filtering on packers
                 if (CheckIfPacker(checkClass) && !IncludePackers)
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
-                protections.TryAdd(checkClass, protection);
+#if NET20 || NET35
+                protections[checkClass] = protection!;
+            }
+#else
+                protections.TryAdd(checkClass, protection!);
             });
+#endif
 
             return protections;
         }
@@ -393,29 +475,58 @@ namespace BinaryObjectScanner.FileType
         /// <param name="pex">Executable to scan</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>Set of protections in file, null on error</returns>
+#if NET20 || NET35
+        public Dictionary<IPortableExecutableCheck, string> RunPortableExecutableChecks(string file, Stream stream, PortableExecutable pex, bool includeDebug)
+#else
         public ConcurrentDictionary<IPortableExecutableCheck, string> RunPortableExecutableChecks(string file, Stream stream, PortableExecutable pex, bool includeDebug)
+#endif
         {
             // Create the output dictionary
+#if NET20 || NET35
+            var protections = new Dictionary<IPortableExecutableCheck, string>();
+#else
             var protections = new ConcurrentDictionary<IPortableExecutableCheck, string>();
+#endif
 
             // Iterate through all checks
+#if NET20 || NET35
+            foreach (var checkClass in PortableExecutableCheckClasses)
+#else
             Parallel.ForEach(PortableExecutableCheckClasses, checkClass =>
+#endif
             {
                 // Get the protection for the class, if possible
                 var protection = checkClass.CheckPortableExecutable(file, pex, includeDebug);
-                if (string.IsNullOrWhiteSpace(protection))
+                if (string.IsNullOrEmpty(protection))
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
                 // If we are filtering on game engines
                 if (CheckIfGameEngine(checkClass) && !IncludeGameEngines)
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
                 // If we are filtering on packers
                 if (CheckIfPacker(checkClass) && !IncludePackers)
+#if NET20 || NET35
+                    continue;
+#else
                     return;
+#endif
 
-                protections.TryAdd(checkClass, protection);
+#if NET20 || NET35
+                protections[checkClass] = protection!;
+            }
+#else
+                protections.TryAdd(checkClass, protection!);
             });
+#endif
 
             return protections;
         }
@@ -427,35 +538,44 @@ namespace BinaryObjectScanner.FileType
         /// <summary>
         /// Initialize all implementations of a type
         /// </summary>
-#if NET48
-        private static IEnumerable<T> InitCheckClasses<T>()
-#else
-        private static IEnumerable<T>? InitCheckClasses<T>()
-#endif
-            => InitCheckClasses<T>(typeof(GameEngine._DUMMY).Assembly) ?? Enumerable.Empty<T>()
-                .Concat(InitCheckClasses<T>(typeof(Packer._DUMMY).Assembly) ?? Enumerable.Empty<T>())
-                .Concat(InitCheckClasses<T>(typeof(Protection._DUMMY).Assembly) ?? Enumerable.Empty<T>());
+        private static IEnumerable<T>? InitCheckClasses<T>() =>
+            InitCheckClasses<T>(Assembly.GetExecutingAssembly()) ?? [];
 
         /// <summary>
         /// Initialize all implementations of a type
         /// </summary>
-#if NET48
-        private static IEnumerable<T> InitCheckClasses<T>(Assembly assembly)
-#else
         private static IEnumerable<T>? InitCheckClasses<T>(Assembly assembly)
-#endif
         {
-            return assembly.GetTypes()?
-                .Where(t => t.IsClass && t.GetInterface(typeof(T).Name) != null)?
-#if NET48
-                .Select(t => (T)Activator.CreateInstance(t))
-#else
-                .Select(t => (T?)Activator.CreateInstance(t))
-#endif
-                .Cast<T>() ?? Array.Empty<T>();
+            List<T> classTypes = [];
+
+            // If not all types can be loaded, use the ones that could be
+            List<Type> assemblyTypes = [];
+            try
+            {
+                assemblyTypes = assembly.GetTypes().ToList<Type>();
+            }
+            catch (ReflectionTypeLoadException rtle)
+            {
+                assemblyTypes = rtle.Types.Where(t => t != null)!.ToList<Type>();
+            }
+
+            // Loop through all types 
+            foreach (Type type in assemblyTypes)
+            {
+                // If the type isn't a class or doesn't implement the interface
+                if (!type.IsClass || type.GetInterface(typeof(T).Name) == null)
+                    continue;
+
+                // Try to create a concrete instance of the type
+                var instance = (T?)Activator.CreateInstance(type);
+                if (instance != null)
+                    classTypes.Add(instance);
+            }
+
+            return classTypes;
         }
 
-#endregion
+        #endregion
 
         #region Helpers
 

BinaryObjectScanner/FileType/GCF.cs

@@ -11,27 +11,19 @@ namespace BinaryObjectScanner.FileType
     public class GCF : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Extract(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -124,7 +116,7 @@ namespace BinaryObjectScanner.FileType
             var filename = file.Path;
 
             // If we have an invalid output directory
-            if (string.IsNullOrWhiteSpace(outputDirectory))
+            if (string.IsNullOrEmpty(outputDirectory))
                 return false;
 
             // Create the full output path

BinaryObjectScanner/FileType/GZIP.cs

@@ -1,8 +1,10 @@
 using System;
 using System.IO;
 using BinaryObjectScanner.Interfaces;
+#if NET462_OR_GREATER || NETCOREAPP
 using SharpCompress.Archives;
 using SharpCompress.Archives.GZip;
+#endif
 
 namespace BinaryObjectScanner.FileType
 {
@@ -12,31 +14,22 @@ namespace BinaryObjectScanner.FileType
     public class GZIP : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             if (stream == null)
                 return null;
 
+#if NET462_OR_GREATER || NETCOREAPP
             try
             {
                 // Create a temp output directory
@@ -49,10 +42,14 @@ namespace BinaryObjectScanner.FileType
                     {
                         try
                         {
-                            // If we have a directory, skip it
+                            // If the entry is a directory
                             if (entry.IsDirectory)
                                 continue;
 
+                            // If the entry has an invalid key
+                            if (entry.Key == null)
+                                continue;
+
                             string tempFile = Path.Combine(tempPath, entry.Key);
                             entry.WriteToFile(tempFile);
                         }
@@ -70,6 +67,9 @@ namespace BinaryObjectScanner.FileType
                 if (includeDebug) Console.WriteLine(ex);
                 return null;
             }
+#else
+            return null;
+#endif
         }
     }
 }

BinaryObjectScanner/FileType/InstallShieldArchiveV3.cs

@@ -1,8 +1,6 @@
 using System;
 using System.IO;
-using System.Linq;
 using BinaryObjectScanner.Interfaces;
-using UnshieldSharp.Archive;
 
 namespace BinaryObjectScanner.FileType
 {
@@ -12,27 +10,17 @@ namespace BinaryObjectScanner.FileType
     public class InstallShieldArchiveV3 : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -41,17 +29,17 @@ namespace BinaryObjectScanner.FileType
                 Directory.CreateDirectory(tempPath);
 
                 UnshieldSharp.Archive.InstallShieldArchiveV3 archive = new UnshieldSharp.Archive.InstallShieldArchiveV3(file);
-                foreach (CompressedFile cfile in archive.Files.Select(kvp => kvp.Value))
+                foreach (var cfile in archive.Files)
                 {
                     try
                     {
-                        string tempFile = Path.Combine(tempPath, cfile.FullPath);
+                        string tempFile = Path.Combine(tempPath, cfile.Key);
                         var directoryName = Path.GetDirectoryName(tempFile);
                         if (directoryName != null && !Directory.Exists(directoryName))
                             Directory.CreateDirectory(directoryName);
 
-                        (byte[] fileContents, string error) = archive.Extract(cfile.FullPath);
-                        if (!string.IsNullOrWhiteSpace(error))
+                        (byte[]? fileContents, string? error) = archive.Extract(cfile.Key);
+                        if (fileContents == null || !string.IsNullOrEmpty(error))
                             continue;
 
                         using (FileStream fs = File.OpenWrite(tempFile))

BinaryObjectScanner/FileType/InstallShieldCAB.cs

@@ -12,27 +12,17 @@ namespace BinaryObjectScanner.FileType
     public class InstallShieldCAB : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             // Get the name of the first cabinet file or header
             var directory = Path.GetDirectoryName(file);
@@ -68,20 +58,23 @@ namespace BinaryObjectScanner.FileType
                 string tempPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
                 Directory.CreateDirectory(tempPath);
 
-                InstallShieldCabinet cabfile = InstallShieldCabinet.Open(file);
-                for (int i = 0; i < cabfile.FileCount; i++)
+                var cabfile = InstallShieldCabinet.Open(file);
+                if (cabfile?.HeaderList == null)
+                    return null;
+
+                for (int i = 0; i < cabfile.HeaderList.FileCount; i++)
                 {
                     try
                     {
                         // Check if the file is valid first
-                        if (!cabfile.FileIsValid(i))
+                        if (!cabfile.HeaderList.FileIsValid(i))
                             continue;
 
                         string tempFile;
                         try
                         {
-                            string filename = cabfile.FileName(i);
-                            tempFile = Path.Combine(tempPath, filename);
+                            string? filename = cabfile.HeaderList.GetFileName(i);
+                            tempFile = Path.Combine(tempPath, filename ?? string.Empty);
                         }
                         catch
                         {

BinaryObjectScanner/FileType/LDSCRYPT.cs

@@ -11,27 +11,19 @@ namespace BinaryObjectScanner.FileType
     public class LDSCRYPT : IDetectable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Detect(string file, bool includeDebug)
-#else
         public string? Detect(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Detect(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Detect(Stream stream, string file, bool includeDebug)
-#else
         public string? Detect(Stream stream, string file, bool includeDebug)
-#endif
         {
             try
             {

BinaryObjectScanner/FileType/MPQ.cs

@@ -1,7 +1,7 @@
 using System;
 using System.IO;
 using BinaryObjectScanner.Interfaces;
-#if NET48
+#if ((NETFRAMEWORK && !NET20 && !NET35 && !NET40) || NETCOREAPP) && WIN
 using StormLibSharp;
 #endif
 
@@ -13,31 +13,22 @@ namespace BinaryObjectScanner.FileType
     public class MPQ : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         // TODO: Add stream opening support
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
-#if NET6_0_OR_GREATER
-            // Not supported for .NET 6.0 due to Windows DLL requirements
+#if NET20 || NET35 || NET40 || !WIN
+            // Not supported for old .NET due to feature requirements
+            // Not supported in non-Windows builds due to DLL requirements
             return null;
 #else
             try
@@ -46,10 +37,10 @@ namespace BinaryObjectScanner.FileType
                 string tempPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
                 Directory.CreateDirectory(tempPath);
 
-                using (MpqArchive mpqArchive = new MpqArchive(file, FileAccess.Read))
+                using (var mpqArchive = new MpqArchive(file, FileAccess.Read))
                 {
                     // Try to open the listfile
-                    string listfile = null;
+                    string? listfile = null;
                     MpqFileStream listStream = mpqArchive.OpenFile("(listfile)");
 
                     // If we can't read the listfile, we just return
@@ -57,7 +48,7 @@ namespace BinaryObjectScanner.FileType
                         return null;
 
                     // Read the listfile in for processing
-                    using (StreamReader sr = new StreamReader(listStream))
+                    using (var sr = new StreamReader(listStream))
                     {
                         listfile = sr.ReadToEnd();
                     }

BinaryObjectScanner/FileType/MicrosoftCAB.cs

@@ -2,6 +2,9 @@
 using System.Collections.Generic;
 using System.IO;
 using BinaryObjectScanner.Interfaces;
+#if ((NETFRAMEWORK && !NET20 && !NET35 && !NET40) || NETCOREAPP) && WIN
+using LibMSPackN;
+#endif
 
 namespace BinaryObjectScanner.FileType
 {
@@ -13,29 +16,55 @@ namespace BinaryObjectScanner.FileType
     public class MicrosoftCAB : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
+#if NET20 || NET35 || NET40 || !WIN
+            // Not supported for old .NET due to feature requirements
+            // Not supported in non-Windows builds due to DLL requirements
             return null;
+#else
+            try
+            {
+                // Create a temp output directory
+                string tempPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
+                Directory.CreateDirectory(tempPath);
+
+                using (var cabArchive = new MSCabinet(file))
+                {
+                    // Loop over each entry
+                    foreach (var compressedFile in cabArchive.GetFiles())
+                    {
+                        try
+                        {
+                            string tempFile = Path.Combine(tempPath, compressedFile.Filename);
+                            Directory.CreateDirectory(Path.GetDirectoryName(tempFile));
+                            compressedFile.ExtractTo(tempFile);
+                        }
+                        catch (Exception ex)
+                        {
+                            if (includeDebug) Console.WriteLine(ex);
+                        }
+                    }
+                }
+
+                return tempPath;
+            }
+            catch (Exception ex)
+            {
+                if (includeDebug) Console.WriteLine(ex);
+                return null;
+            }
+#endif
         }
     }
 }

BinaryObjectScanner/FileType/MicrosoftLZ.cs

@@ -12,27 +12,19 @@ namespace BinaryObjectScanner.FileType
     public class MicrosoftLZ : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Extract(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {

BinaryObjectScanner/FileType/PAK.cs

@@ -10,27 +10,19 @@ namespace BinaryObjectScanner.FileType
     public class PAK : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Extract(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -106,7 +98,7 @@ namespace BinaryObjectScanner.FileType
             var filename = directoryItem.ItemName;
 
             // If we have an invalid output directory
-            if (string.IsNullOrWhiteSpace(outputDirectory))
+            if (string.IsNullOrEmpty(outputDirectory))
                 return false;
 
             // Create the full output path

BinaryObjectScanner/FileType/PFF.cs

@@ -10,27 +10,19 @@ namespace BinaryObjectScanner.FileType
     public class PFF : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Extract(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {

BinaryObjectScanner/FileType/PKZIP.cs

@@ -1,8 +1,10 @@
 using System;
 using System.IO;
 using BinaryObjectScanner.Interfaces;
+#if NET462_OR_GREATER || NETCOREAPP
 using SharpCompress.Archives;
 using SharpCompress.Archives.Zip;
+#endif
 
 namespace BinaryObjectScanner.FileType
 {
@@ -12,31 +14,22 @@ namespace BinaryObjectScanner.FileType
     public class PKZIP : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             if (stream == null)
                 return null;
 
+#if NET462_OR_GREATER || NETCOREAPP
             try
             {
                 // Create a temp output directory
@@ -49,10 +42,18 @@ namespace BinaryObjectScanner.FileType
                     {
                         try
                         {
-                            // If we have a directory, skip it
+                            // If the entry is a directory
                             if (entry.IsDirectory)
                                 continue;
 
+                            // If the entry has an invalid key
+                            if (entry.Key == null)
+                                continue;
+
+                            // If the entry is partial due to an incomplete multi-part archive, skip it
+                            if (!entry.IsComplete)
+                                continue;
+
                             string tempFile = Path.Combine(tempPath, entry.Key);
                             var directoryName = Path.GetDirectoryName(tempFile);
                             if (directoryName != null && !Directory.Exists(directoryName))
@@ -73,6 +74,9 @@ namespace BinaryObjectScanner.FileType
                 if (includeDebug) Console.WriteLine(ex);
                 return null;
             }
+#else
+            return null;
+#endif
         }
     }
 }

BinaryObjectScanner/FileType/PLJ.cs

@@ -11,27 +11,19 @@ namespace BinaryObjectScanner.FileType
     public class PLJ : IDetectable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Detect(string file, bool includeDebug)
-#else
         public string? Detect(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Detect(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Detect(Stream stream, string file, bool includeDebug)
-#else
         public string? Detect(Stream stream, string file, bool includeDebug)
-#endif
         {
             try
             {

BinaryObjectScanner/FileType/Quantum.cs

@@ -10,27 +10,19 @@ namespace BinaryObjectScanner.FileType
     public class Quantum : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Extract(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -137,7 +129,7 @@ namespace BinaryObjectScanner.FileType
             // string filename = fileDescriptor.FileName;
 
             // // If we have an invalid output directory
-            // if (string.IsNullOrWhiteSpace(outputDirectory))
+            // if (string.IsNullOrEmpty(outputDirectory))
             //     return false;
 
             // // Create the full output path

BinaryObjectScanner/FileType/RAR.cs

@@ -1,8 +1,10 @@
 using System;
 using System.IO;
 using BinaryObjectScanner.Interfaces;
+#if NET462_OR_GREATER || NETCOREAPP
 using SharpCompress.Archives;
 using SharpCompress.Archives.Rar;
+#endif
 
 namespace BinaryObjectScanner.FileType
 {
@@ -12,31 +14,22 @@ namespace BinaryObjectScanner.FileType
     public class RAR : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             if (stream == null)
                 return null;
 
+#if NET462_OR_GREATER || NETCOREAPP
             try
             {
                 // Create a temp output directory
@@ -49,10 +42,14 @@ namespace BinaryObjectScanner.FileType
                     {
                         try
                         {
-                            // If we have a directory, skip it
+                            // If the entry is a directory
                             if (entry.IsDirectory)
                                 continue;
 
+                            // If the entry has an invalid key
+                            if (entry.Key == null)
+                                continue;
+
                             string tempFile = Path.Combine(tempPath, entry.Key);
                             entry.WriteToFile(tempFile);
                         }
@@ -70,6 +67,9 @@ namespace BinaryObjectScanner.FileType
                 if (includeDebug) Console.WriteLine(ex);
                 return null;
             }
+#else
+            return null;
+#endif
         }
     }
 }

BinaryObjectScanner/FileType/RealArcadeInstaller.cs

@@ -0,0 +1,48 @@
+using System;
+using System.IO;
+using BinaryObjectScanner.Interfaces;
+using SabreTools.Matching;
+
+namespace BinaryObjectScanner.FileType
+{
+    /// <summary>
+    /// RealArcade Installer. Known to use the ".rgs" file extension.
+    /// 
+    /// TODO: Add further parsing, game ID and name should be possible to parse.
+    /// </summary>
+    public class RealArcadeInstaller : IDetectable
+    {
+        /// <inheritdoc/>
+        public string? Detect(string file, bool includeDebug)
+        {
+            if (!File.Exists(file))
+                return null;
+
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+            {
+                return Detect(fs, file, includeDebug);
+            }
+        }
+
+        /// <inheritdoc/>
+        public string? Detect(Stream stream, string file, bool includeDebug)
+        {
+            try
+            {
+                byte[] magic = new byte[16];
+                stream.Read(magic, 0, 16);
+
+                // RASGI2.0
+                // Found in the ".rgs" files in IA item "Nova_RealArcadeCD_USA".
+                if (magic.StartsWith(new byte?[] { 0x52, 0x41, 0x53, 0x47, 0x49, 0x32, 0x2E, 0x30 }))
+                    return "RealArcade Installer";
+            }
+            catch (Exception ex)
+            {
+                if (includeDebug) Console.WriteLine(ex);
+            }
+
+            return null;
+        }
+    }
+}

BinaryObjectScanner/FileType/RealArcadeMezzanine.cs

@@ -0,0 +1,48 @@
+using System;
+using System.IO;
+using BinaryObjectScanner.Interfaces;
+using SabreTools.Matching;
+
+namespace BinaryObjectScanner.FileType
+{
+    /// <summary>
+    /// RealArcade Mezzanine files, which contain metadata. Known to use the ".mez" file extension.
+    /// 
+    /// TODO: Add further parsing, game ID should be possible to parse.
+    /// </summary>
+    public class RealArcadeMezzanine : IDetectable
+    {
+        /// <inheritdoc/>
+        public string? Detect(string file, bool includeDebug)
+        {
+            if (!File.Exists(file))
+                return null;
+
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
+            {
+                return Detect(fs, file, includeDebug);
+            }
+        }
+
+        /// <inheritdoc/>
+        public string? Detect(Stream stream, string file, bool includeDebug)
+        {
+            try
+            {
+                byte[] magic = new byte[16];
+                stream.Read(magic, 0, 16);
+
+                // XZip2.0
+                // Found in the ".mez" files in IA item "Nova_RealArcadeCD_USA".
+                if (magic.StartsWith(new byte?[] { 0x58, 0x5A, 0x69, 0x70, 0x32, 0x2E, 0x30 }))
+                    return "RealArcade Mezzanine";
+            }
+            catch (Exception ex)
+            {
+                if (includeDebug) Console.WriteLine(ex);
+            }
+
+            return null;
+        }
+    }
+}

BinaryObjectScanner/FileType/SFFS.cs

@@ -12,27 +12,19 @@ namespace BinaryObjectScanner.FileType
     public class SFFS : IExtractable, IDetectable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Detect(string file, bool includeDebug)
-#else
         public string? Detect(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Detect(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Detect(Stream stream, string file, bool includeDebug)
-#else
         public string? Detect(Stream stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -51,27 +43,19 @@ namespace BinaryObjectScanner.FileType
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Extract(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             return null;
         }

BinaryObjectScanner/FileType/SGA.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
-using ICSharpCode.SharpZipLib.Zip.Compression;
+using SabreTools.Compression.zlib;
 
 namespace BinaryObjectScanner.FileType
 {
@@ -13,27 +13,17 @@ namespace BinaryObjectScanner.FileType
     public class SGA : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -118,11 +108,7 @@ namespace BinaryObjectScanner.FileType
                 return false;
 
             // Get the files
-#if NET48
-            object file;
-#else
             object? file;
-#endif
             switch (item.Model.Header?.MajorVersion)
             {
                 case 4: file = (item.Model.Directory as SabreTools.Models.SGA.Directory4)?.Files?[index]; break;
@@ -147,27 +133,16 @@ namespace BinaryObjectScanner.FileType
             }
 
             // Loop through and get all parent directories
-#if NET48
-            var parentNames = new List<string> { filename };
-#else
             var parentNames = new List<string?> { filename };
-#endif
 
             // Get the parent directory
             var folder = default(object);
             switch (item.Model.Header?.MajorVersion)
             {
-#if NET48
-                case 4: folder = (item.Model.Directory as SabreTools.Models.SGA.Directory4)?.Folders?.FirstOrDefault(f => index >= f.FileStartIndex && index <= f.FileEndIndex); break;
-                case 5: folder = (item.Model.Directory as SabreTools.Models.SGA.Directory5)?.Folders?.FirstOrDefault(f => index >= f.FileStartIndex && index <= f.FileEndIndex); break;
-                case 6: folder = (item.Model.Directory as SabreTools.Models.SGA.Directory6)?.Folders?.FirstOrDefault(f => index >= f.FileStartIndex && index <= f.FileEndIndex); break;
-                case 7: folder = (item.Model.Directory as SabreTools.Models.SGA.Directory7)?.Folders?.FirstOrDefault(f => index >= f.FileStartIndex && index <= f.FileEndIndex); break;
-#else
                 case 4: folder = (item.Model.Directory as SabreTools.Models.SGA.Directory4)?.Folders?.FirstOrDefault(f => f != null && index >= f.FileStartIndex && index <= f.FileEndIndex); break;
                 case 5: folder = (item.Model.Directory as SabreTools.Models.SGA.Directory5)?.Folders?.FirstOrDefault(f => f != null && index >= f.FileStartIndex && index <= f.FileEndIndex); break;
                 case 6: folder = (item.Model.Directory as SabreTools.Models.SGA.Directory6)?.Folders?.FirstOrDefault(f => f != null && index >= f.FileStartIndex && index <= f.FileEndIndex); break;
                 case 7: folder = (item.Model.Directory as SabreTools.Models.SGA.Directory7)?.Folders?.FirstOrDefault(f => f != null && index >= f.FileStartIndex && index <= f.FileEndIndex); break;
-#endif
                 default: return false;
             }
 
@@ -188,7 +163,16 @@ namespace BinaryObjectScanner.FileType
 
             // Reverse and assemble the filename
             parentNames.Reverse();
+#if NET20 || NET35
+            var parentNamesArray = parentNames.Cast<string>().ToArray();
+            filename = parentNamesArray[0];
+            for (int i = 1; i < parentNamesArray.Length; i++)
+            {
+                filename = Path.Combine(filename, parentNamesArray[i]);
+            }
+#else
             filename = Path.Combine(parentNames.Cast<string>().ToArray());
+#endif
 
             // Get the file offset
             long fileOffset;
@@ -244,15 +228,30 @@ namespace BinaryObjectScanner.FileType
             }
             else
             {
-                // Decompress the data
+                // Inflate the data into the buffer
+                var zstream = new ZLib.z_stream_s();
                 data = new byte[outputFileSize];
-                Inflater inflater = new Inflater();
-                inflater.SetInput(compressedData);
-                inflater.Inflate(data);
+                unsafe
+                {
+                    fixed (byte* payloadPtr = compressedData)
+                    fixed (byte* dataPtr = data)
+                    {
+                        zstream.next_in = payloadPtr;
+                        zstream.avail_in = (uint)compressedData.Length;
+                        zstream.total_in = (uint)compressedData.Length;
+                        zstream.next_out = dataPtr;
+                        zstream.avail_out = (uint)data.Length;
+                        zstream.total_out = 0;
+
+                        ZLib.inflateInit_(zstream, ZLib.zlibVersion(), compressedData.Length);
+                        int zret = ZLib.inflate(zstream, 1);
+                        ZLib.inflateEnd(zstream);
+                    }
+                }
             }
 
             // If we have an invalid output directory
-            if (string.IsNullOrWhiteSpace(outputDirectory))
+            if (string.IsNullOrEmpty(outputDirectory))
                 return false;
 
             // Create the full output path
@@ -267,10 +266,8 @@ namespace BinaryObjectScanner.FileType
             try
             {
                 // Open the output file for writing
-                using (Stream fs = File.OpenWrite(filename))
-                {
-                    fs.Write(data, 0, data.Length);
-                }
+                using Stream fs = File.OpenWrite(filename);
+                fs.Write(data, 0, data.Length);
             }
             catch
             {

BinaryObjectScanner/FileType/SevenZip.cs

@@ -1,8 +1,10 @@
 using System;
 using System.IO;
 using BinaryObjectScanner.Interfaces;
+#if NET462_OR_GREATER || NETCOREAPP
 using SharpCompress.Archives;
 using SharpCompress.Archives.SevenZip;
+#endif
 
 namespace BinaryObjectScanner.FileType
 {
@@ -12,28 +14,22 @@ namespace BinaryObjectScanner.FileType
     public class SevenZip : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
+            if (stream == null)
+                return null;
+
+#if NET462_OR_GREATER || NETCOREAPP
             try
             {
                 // Create a temp output directory
@@ -46,10 +42,14 @@ namespace BinaryObjectScanner.FileType
                     {
                         try
                         {
-                            // If we have a directory, skip it
+                            // If the entry is a directory
                             if (entry.IsDirectory)
                                 continue;
 
+                            // If the entry has an invalid key
+                            if (entry.Key == null)
+                                continue;
+
                             string tempFile = Path.Combine(tempPath, entry.Key);
                             entry.WriteToFile(tempFile);
                         }
@@ -67,6 +67,9 @@ namespace BinaryObjectScanner.FileType
                 if (includeDebug) Console.WriteLine(ex);
                 return null;
             }
+#else
+            return null;
+#endif
         }
     }
 }

BinaryObjectScanner/FileType/TapeArchive.cs

@@ -1,8 +1,10 @@
 using System;
 using System.IO;
 using BinaryObjectScanner.Interfaces;
+#if NET462_OR_GREATER || NETCOREAPP
 using SharpCompress.Archives;
 using SharpCompress.Archives.Tar;
+#endif
 
 namespace BinaryObjectScanner.FileType
 {
@@ -12,31 +14,22 @@ namespace BinaryObjectScanner.FileType
     public class TapeArchive : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             if (stream == null)
                 return null;
 
+#if NET462_OR_GREATER || NETCOREAPP
             try
             {
                 // Create a temp output directory
@@ -49,10 +42,14 @@ namespace BinaryObjectScanner.FileType
                     {
                         try
                         {
-                            // If we have a directory, skip it
+                            // If the entry is a directory
                             if (entry.IsDirectory)
                                 continue;
 
+                            // If the entry has an invalid key
+                            if (entry.Key == null)
+                                continue;
+
                             string tempFile = Path.Combine(tempPath, entry.Key);
                             entry.WriteToFile(tempFile);
                         }
@@ -70,6 +67,9 @@ namespace BinaryObjectScanner.FileType
                 if (includeDebug) Console.WriteLine(ex);
                 return null;
             }
+#else
+            return null;
+#endif
         }
     }
 }

BinaryObjectScanner/FileType/Textfile.cs

@@ -12,27 +12,17 @@ namespace BinaryObjectScanner.FileType
     public class Textfile : IDetectable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Detect(string file, bool includeDebug)
-#else
         public string? Detect(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Detect(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Detect(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Detect(Stream stream, string file, bool includeDebug)
-#else
         public string? Detect(Stream stream, string file, bool includeDebug)
-#endif
         {
             // Files can be protected in multiple ways
             var protections = new List<string>();
@@ -41,7 +31,11 @@ namespace BinaryObjectScanner.FileType
             {
                 // Load the current file content
                 var fileContent = string.Empty;
+#if NET20 || NET35 || NET40
+                using (var sr = new StreamReader(stream, Encoding.Default, true, 1024 * 1024))
+#else
                 using (var sr = new StreamReader(stream, Encoding.Default, true, 1024 * 1024, true))
+#endif
                 {
                     fileContent = sr.ReadToEnd();
                 }
@@ -60,6 +54,20 @@ namespace BinaryObjectScanner.FileType
                 else if (fileContent.Contains("Please enter a valid registration number"))
                     protections.Add("CD-Key / Serial");
 
+                // CopyKiller
+                // Found in "autorun.dat" in CopyKiller versions 3.62 and 3.64.
+                if (fileContent.Contains("CopyKiller CD-Protection V3.6x"))
+                    protections.Add("CopyKiller V3.62-V3.64");
+                // Found in "autorun.dat" in CopyKiller versions 3.99 and 3.99a.
+                else if (fileContent.Contains("CopyKiller V4 CD / DVD-Protection"))
+                    protections.Add("CopyKiller V3.99+");
+                // Found in "engine.wzc" in CopyKiller versions 3.62 and 3.64.
+                else if (fileContent.Contains("CopyKiller V3.6x Protection Engine"))
+                    protections.Add("CopyKiller V3.62-V3.64");
+                // Found in "engine.wzc" in CopyKiller versions 3.99 and 3.99a.
+                else if (fileContent.Contains("CopyKiller V3.99x Protection Engine"))
+                            protections.Add("CopyKiller V3.99+");
+
                 // Freelock
                 // Found in "FILE_ID.DIZ" distributed with Freelock.
                 if (fileContent.Contains("FREELOCK 1.0"))
@@ -99,11 +107,38 @@ namespace BinaryObjectScanner.FileType
                 // Found in "SENTW95.HLP" and "SENTINEL.HLP" in BA entry "Autodesk AutoCAD LT 98 (1998) (CD) [English] [Dutch]".
                 if (fileContent.Contains("Rainbow Sentinel Driver Help"))
                     protections.Add("Rainbow Sentinel");
+                // Found in "\disc4\cad\sdcc_200.zip\DISK1\_USER1.HDR\Language_Independent_Intel_32_Files\SNTNLUSB.INF" in "CICA 32 For Windows CD-ROM (Walnut Creek) (October 1999) (Disc 4).iso" in IA item "CICA_32_For_Windows_CD-ROM_Walnut_Creek_October_1999".
+                if (fileContent.Contains("SNTNLUSB.SvcDesc=\"Rainbow Security Device\""))
+                    protections.Add("Rainbow Sentinel USB Driver");
+                if (fileContent.Contains("SntUsb95.SvcDesc=\"Rainbow Security Device\""))
+                    protections.Add("Rainbow Sentinel USB Driver");
 
                 // Found in "OEMSETUP.INF" in BA entry "Autodesk AutoCAD LT 98 (1998) (CD) [English] [Dutch]".
                 if (fileContent.Contains("Sentinel Driver Disk"))
                     protections.Add("Rainbow Sentinel");
 
+                // SafeDisc 
+                // TODO: Add better version parsing.
+                // Found in "Info.plist" in Redump entries 23983, 42762, 72713, 73070, and 89603.
+                if (fileContent.Contains("<string>com.europevisionmacro.SafeDiscDVD</string>"))
+                {
+                    if (fileContent.Contains("<string>2.90.032</string>"))
+                        protections.Add("SafeDiscDVD for Macintosh 2.90.032");
+                    else
+                        protections.Add("SafeDiscDVD for Macintosh (Unknown Version - Please report to us on GitHub)");
+                }
+
+                // Found in "Info.plist" in Redump entry 89649.
+                if (fileContent.Contains("<string>com.macrovisioneurope.SafeDiscLT</string>"))
+                {
+                    // TODO: Investigate why "CFBundleGetInfoString" and "CFBundleShortVersionString" say version 2.70.020, but "CFBundleVersion" says version 2.70.010.
+                    if (fileContent.Contains("<string>2.70.020</string"))
+                        protections.Add("SafeDiscLT for Macintosh 2.70.020");
+                    else
+                        protections.Add("SafeDiscLT for Macintosh (Unknown Version - Please report to us on GitHub)");
+                }
+
+
                 // The full line from a sample is as follows:
                 //
                 // The files securom_v7_01.dat and securom_v7_01.bak have been created during the installation of a SecuROM protected application.
@@ -127,7 +162,7 @@ namespace BinaryObjectScanner.FileType
                 if (includeDebug) Console.WriteLine(ex);
             }
 
-            return string.Join(";", protections);
+            return string.Join(";", [.. protections]);
         }
     }
 }

BinaryObjectScanner/FileType/VBSP.cs

@@ -10,27 +10,19 @@ namespace BinaryObjectScanner.FileType
     public class VBSP : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Extract(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -115,7 +107,7 @@ namespace BinaryObjectScanner.FileType
             }
 
             // If we have an invalid output directory
-            if (string.IsNullOrWhiteSpace(outputDirectory))
+            if (string.IsNullOrEmpty(outputDirectory))
                 return false;
 
             // Create the full output path

BinaryObjectScanner/FileType/VPK.cs

@@ -2,7 +2,7 @@ using System;
 using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
-using SabreTools.IO;
+using SabreTools.IO.Extensions;
 
 namespace BinaryObjectScanner.FileType
 {
@@ -12,27 +12,19 @@ namespace BinaryObjectScanner.FileType
     public class VPK : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Extract(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -120,7 +112,7 @@ namespace BinaryObjectScanner.FileType
 
                 // Get the archive filename
                 string archiveFileName = item.ArchiveFilenames[directoryItem.DirectoryEntry.ArchiveIndex];
-                if (string.IsNullOrWhiteSpace(archiveFileName))
+                if (string.IsNullOrEmpty(archiveFileName))
                     return false;
 
                 // If the archive doesn't exist
@@ -132,7 +124,7 @@ namespace BinaryObjectScanner.FileType
                 try
                 {
                     // Open the archive
-                    archiveStream = File.OpenRead(archiveFileName);
+                    archiveStream = File.Open(archiveFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
 
                     // Seek to the data
                     archiveStream.Seek(directoryItem.DirectoryEntry.EntryOffset, SeekOrigin.Begin);
@@ -160,11 +152,11 @@ namespace BinaryObjectScanner.FileType
 
             // Create the filename
             string filename = $"{directoryItem.Name}.{directoryItem.Extension}";
-            if (!string.IsNullOrWhiteSpace(directoryItem.Path))
+            if (!string.IsNullOrEmpty(directoryItem.Path))
                 filename = Path.Combine(directoryItem.Path, filename);
 
             // If we have an invalid output directory
-            if (string.IsNullOrWhiteSpace(outputDirectory))
+            if (string.IsNullOrEmpty(outputDirectory))
                 return false;
 
             // Create the full output path

BinaryObjectScanner/FileType/WAD.cs

@@ -10,27 +10,19 @@ namespace BinaryObjectScanner.FileType
     public class WAD : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Extract(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -106,7 +98,7 @@ namespace BinaryObjectScanner.FileType
             string filename = $"{lump.Name}.lmp";
 
             // If we have an invalid output directory
-            if (string.IsNullOrWhiteSpace(outputDirectory))
+            if (string.IsNullOrEmpty(outputDirectory))
                 return false;
 
             // Create the full output path

BinaryObjectScanner/FileType/XZ.cs

@@ -1,7 +1,9 @@
 using System;
 using System.IO;
 using BinaryObjectScanner.Interfaces;
+#if NET462_OR_GREATER || NETCOREAPP
 using SharpCompress.Compressors.Xz;
+#endif
 
 namespace BinaryObjectScanner.FileType
 {
@@ -11,28 +13,19 @@ namespace BinaryObjectScanner.FileType
     public class XZ : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
+            using var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+            return Extract(fs, file, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
+#if NET462_OR_GREATER || NETCOREAPP
             try
             {
                 // Create a temp output directory
@@ -55,6 +48,9 @@ namespace BinaryObjectScanner.FileType
                 if (includeDebug) Console.WriteLine(ex);
                 return null;
             }
+#else
+            return null;
+#endif
         }
     }
 }

BinaryObjectScanner/FileType/XZP.cs

@@ -11,27 +11,19 @@ namespace BinaryObjectScanner.FileType
     public class XZP : IExtractable
     {
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
         public string? Extract(string file, bool includeDebug)
-#endif
         {
             if (!File.Exists(file))
                 return null;
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
             {
                 return Extract(fs, file, includeDebug);
             }
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
         public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
         {
             try
             {
@@ -116,7 +108,7 @@ namespace BinaryObjectScanner.FileType
             var filename = directoryItem.Name;
 
             // If we have an invalid output directory
-            if (string.IsNullOrWhiteSpace(outputDirectory))
+            if (string.IsNullOrEmpty(outputDirectory))
                 return false;
 
             // Create the full output path

BinaryObjectScanner/GameEngine/RenderWare.cs

@@ -18,11 +18,7 @@ namespace BinaryObjectScanner.GameEngine
     public class RenderWare : IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;

BinaryObjectScanner/GameEngine/_DUMMY.cs

@@ -1,7 +0,0 @@
-namespace BinaryObjectScanner.GameEngine
-{
-    /// <summary>
-    /// This class exists for reflection purposes and should not be used
-    /// </summary>
-    public sealed class _DUMMY { }
-}

BinaryObjectScanner/Handler.cs

@@ -1,5 +1,7 @@
 using System;
+#if NET40_OR_GREATER || NETCOREAPP
 using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -7,6 +9,7 @@ using System.Reflection;
 using System.Threading.Tasks;
 using BinaryObjectScanner.Interfaces;
 using BinaryObjectScanner.Utilities;
+using SabreTools.Serialization.Wrappers;
 using static BinaryObjectScanner.Utilities.Dictionary;
 
 namespace BinaryObjectScanner
@@ -18,17 +21,11 @@ namespace BinaryObjectScanner
         /// <summary>
         /// Cache for all IPathCheck types
         /// </summary>
-#if NET48
-        public static IEnumerable<IPathCheck> PathCheckClasses
-#else
         public static IEnumerable<IPathCheck?> PathCheckClasses
-#endif
         {
             get
             {
-                if (pathCheckClasses == null)
-                    pathCheckClasses = InitCheckClasses<IPathCheck>();
-
+                pathCheckClasses ??= InitCheckClasses<IPathCheck>();
                 return pathCheckClasses;
             }
         }
@@ -40,11 +37,7 @@ namespace BinaryObjectScanner
         /// <summary>
         /// Cache for all IPathCheck types
         /// </summary>
-#if NET48
-        private static IEnumerable<IPathCheck> pathCheckClasses;
-#else
         private static IEnumerable<IPathCheck?>? pathCheckClasses;
-#endif
 
         #endregion
 
@@ -56,25 +49,37 @@ namespace BinaryObjectScanner
         /// <param name="path">Path of the file or directory to check</param>
         /// <param name="scanner">Scanner object to use for options and scanning</param>
         /// <returns>Set of protections in file, null on error</returns>
-#if NET48
-        public static ConcurrentDictionary<string, ConcurrentQueue<string>> HandlePathChecks(string path, IEnumerable<string> files)
+#if NET20 || NET35
+        public static Dictionary<string, Queue<string>> HandlePathChecks(string path, IEnumerable<string>? files)
 #else
         public static ConcurrentDictionary<string, ConcurrentQueue<string>> HandlePathChecks(string path, IEnumerable<string>? files)
 #endif
         {
             // Create the output dictionary
+#if NET20 || NET35
+            var protections = new Dictionary<string, Queue<string>>();
+#else
             var protections = new ConcurrentDictionary<string, ConcurrentQueue<string>>();
+#endif
 
             // Preprocess the list of files
-            files = files?.Select(f => f.Replace('\\', '/'))?.ToList();
+            files = files?.Select(f => f.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar))?.ToList();
 
             // Iterate through all checks
+#if NET20 || NET35
+            foreach (var checkClass in PathCheckClasses)
+#else
             Parallel.ForEach(PathCheckClasses, checkClass =>
+#endif
             {
                 var subProtections = checkClass?.PerformCheck(path, files);
                 if (subProtections != null)
                     AppendToDictionary(protections, path, subProtections);
+#if NET20 || NET35
+            }
+#else
             });
+#endif
 
             return protections;
         }
@@ -91,8 +96,8 @@ namespace BinaryObjectScanner
         /// <param name="stream">Stream to scan the contents of</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>Set of protections in file, null on error</returns>
-#if NET48
-        public static ConcurrentQueue<string> HandleDetectable(IDetectable impl, string fileName, Stream stream, bool includeDebug)
+#if NET20 || NET35
+        public static Queue<string>? HandleDetectable(IDetectable impl, string fileName, Stream stream, bool includeDebug)
 #else
         public static ConcurrentQueue<string>? HandleDetectable(IDetectable impl, string fileName, Stream stream, bool includeDebug)
 #endif
@@ -104,13 +109,13 @@ namespace BinaryObjectScanner
         /// <summary>
         /// Handle files based on an IExtractable implementation
         /// </summary>
-        /// <param name="impl">IDetectable class representing the file type</param>
+        /// <param name="impl">IExtractable class representing the file type</param>
         /// <param name="fileName">Name of the source file of the stream, for tracking</param>
         /// <param name="stream">Stream to scan the contents of</param>
         /// <param name="scanner">Scanner object to use on extractable contents</param>
         /// <returns>Set of protections in file, null on error</returns>
-#if NET48
-        public static ConcurrentDictionary<string, ConcurrentQueue<string>> HandleExtractable(IExtractable impl, string fileName, Stream stream, Scanner scanner)
+#if NET20 || NET35
+        public static Dictionary<string, Queue<string>>? HandleExtractable(IExtractable impl, string fileName, Stream? stream, Scanner scanner)
 #else
         public static ConcurrentDictionary<string, ConcurrentQueue<string>>? HandleExtractable(IExtractable impl, string fileName, Stream? stream, Scanner scanner)
 #endif
@@ -149,29 +154,225 @@ namespace BinaryObjectScanner
             return null;
         }
 
+        /// <summary>
+        /// Handle files based on an IExtractableMSDOSExecutable implementation
+        /// </summary>
+        /// <param name="impl">IExtractableMSDOSExecutable class representing the file type</param>
+        /// <param name="fileName">Name of the source file of the stream, for tracking</param>
+        /// <param name="mz">MSDOS to scan the contents of</param>
+        /// <param name="scanner">Scanner object to use on extractable contents</param>
+        /// <returns>Set of protections in file, null on error</returns>
+#if NET20 || NET35
+        public static Dictionary<string, Queue<string>>? HandleExtractable(IExtractableMSDOSExecutable impl, string fileName, MSDOS mz, Scanner scanner)
+#else
+        public static ConcurrentDictionary<string, ConcurrentQueue<string>>? HandleExtractable(IExtractableMSDOSExecutable impl, string fileName, MSDOS mz, Scanner scanner)
+#endif
+        {
+            // If the extractable file itself fails
+            try
+            {
+                // Extract and get the output path
+                var tempPath = impl.Extract(fileName, mz, scanner.IncludeDebug);
+                if (tempPath == null)
+                    return null;
+
+                // Collect and format all found protections
+                var subProtections = scanner.GetProtections(tempPath);
+
+                // If temp directory cleanup fails
+                try
+                {
+                    Directory.Delete(tempPath, true);
+                }
+                catch (Exception ex)
+                {
+                    if (scanner.IncludeDebug) Console.WriteLine(ex);
+                }
+
+                // Prepare the returned protections
+                StripFromKeys(subProtections, tempPath);
+                PrependToKeys(subProtections, fileName);
+                return subProtections;
+            }
+            catch (Exception ex)
+            {
+                if (scanner.IncludeDebug) Console.WriteLine(ex);
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// Handle files based on an IExtractableLinearExecutable implementation
+        /// </summary>
+        /// <param name="impl">IExtractableLinearExecutable class representing the file type</param>
+        /// <param name="fileName">Name of the source file of the stream, for tracking</param>
+        /// <param name="lex">LinearExecutable to scan the contents of</param>
+        /// <param name="scanner">Scanner object to use on extractable contents</param>
+        /// <returns>Set of protections in file, null on error</returns>
+#if NET20 || NET35
+        public static Dictionary<string, Queue<string>>? HandleExtractable(IExtractableLinearExecutable impl, string fileName, LinearExecutable lex, Scanner scanner)
+#else
+        public static ConcurrentDictionary<string, ConcurrentQueue<string>>? HandleExtractable(IExtractableLinearExecutable impl, string fileName, LinearExecutable lex, Scanner scanner)
+#endif
+        {
+            // If the extractable file itself fails
+            try
+            {
+                // Extract and get the output path
+                var tempPath = impl.Extract(fileName, lex, scanner.IncludeDebug);
+                if (tempPath == null)
+                    return null;
+
+                // Collect and format all found protections
+                var subProtections = scanner.GetProtections(tempPath);
+
+                // If temp directory cleanup fails
+                try
+                {
+                    Directory.Delete(tempPath, true);
+                }
+                catch (Exception ex)
+                {
+                    if (scanner.IncludeDebug) Console.WriteLine(ex);
+                }
+
+                // Prepare the returned protections
+                StripFromKeys(subProtections, tempPath);
+                PrependToKeys(subProtections, fileName);
+                return subProtections;
+            }
+            catch (Exception ex)
+            {
+                if (scanner.IncludeDebug) Console.WriteLine(ex);
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// Handle files based on an IExtractableNewExecutable implementation
+        /// </summary>
+        /// <param name="impl">IExtractableNewExecutable class representing the file type</param>
+        /// <param name="fileName">Name of the source file of the stream, for tracking</param>
+        /// <param name="nex">NewExecutable to scan the contents of</param>
+        /// <param name="scanner">Scanner object to use on extractable contents</param>
+        /// <returns>Set of protections in file, null on error</returns>
+#if NET20 || NET35
+        public static Dictionary<string, Queue<string>>? HandleExtractable(IExtractableNewExecutable impl, string fileName, NewExecutable nex, Scanner scanner)
+#else
+        public static ConcurrentDictionary<string, ConcurrentQueue<string>>? HandleExtractable(IExtractableNewExecutable impl, string fileName, NewExecutable nex, Scanner scanner)
+#endif
+        {
+            // If the extractable file itself fails
+            try
+            {
+                // Extract and get the output path
+                var tempPath = impl.Extract(fileName, nex, scanner.IncludeDebug);
+                if (tempPath == null)
+                    return null;
+
+                // Collect and format all found protections
+                var subProtections = scanner.GetProtections(tempPath);
+
+                // If temp directory cleanup fails
+                try
+                {
+                    Directory.Delete(tempPath, true);
+                }
+                catch (Exception ex)
+                {
+                    if (scanner.IncludeDebug) Console.WriteLine(ex);
+                }
+
+                // Prepare the returned protections
+                StripFromKeys(subProtections, tempPath);
+                PrependToKeys(subProtections, fileName);
+                return subProtections;
+            }
+            catch (Exception ex)
+            {
+                if (scanner.IncludeDebug) Console.WriteLine(ex);
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// Handle files based on an IExtractablePortableExecutable implementation
+        /// </summary>
+        /// <param name="impl">IExtractablePortableExecutable class representing the file type</param>
+        /// <param name="fileName">Name of the source file of the stream, for tracking</param>
+        /// <param name="pex">PortableExecutable to scan the contents of</param>
+        /// <param name="scanner">Scanner object to use on extractable contents</param>
+        /// <returns>Set of protections in file, null on error</returns>
+#if NET20 || NET35
+        public static Dictionary<string, Queue<string>>? HandleExtractable(IExtractablePortableExecutable impl, string fileName, PortableExecutable pex, Scanner scanner)
+#else
+        public static ConcurrentDictionary<string, ConcurrentQueue<string>>? HandleExtractable(IExtractablePortableExecutable impl, string fileName, PortableExecutable pex, Scanner scanner)
+#endif
+        {
+            // If the extractable file itself fails
+            try
+            {
+                // Extract and get the output path
+                var tempPath = impl.Extract(fileName, pex, scanner.IncludeDebug);
+                if (tempPath == null)
+                    return null;
+
+                // Collect and format all found protections
+                var subProtections = scanner.GetProtections(tempPath);
+
+                // If temp directory cleanup fails
+                try
+                {
+                    Directory.Delete(tempPath, true);
+                }
+                catch (Exception ex)
+                {
+                    if (scanner.IncludeDebug) Console.WriteLine(ex);
+                }
+
+                // Prepare the returned protections
+                StripFromKeys(subProtections, tempPath);
+                PrependToKeys(subProtections, fileName);
+                return subProtections;
+            }
+            catch (Exception ex)
+            {
+                if (scanner.IncludeDebug) Console.WriteLine(ex);
+            }
+
+            return null;
+        }
+
         /// <summary>
         /// Handle files based on an IPathCheck implementation
         /// </summary>
         /// <param name="impl">IPathCheck class representing the file type</param>
         /// <param name="path">Path of the file or directory to check</param>
         /// <returns>Set of protections in path, null on error</returns>
-#if NET48
-        private static ConcurrentQueue<string> PerformCheck(this IPathCheck impl, string path, IEnumerable<string> files)
+#if NET20 || NET35
+        private static Queue<string>? PerformCheck(this IPathCheck impl, string? path, IEnumerable<string>? files)
 #else
         private static ConcurrentQueue<string>? PerformCheck(this IPathCheck impl, string? path, IEnumerable<string>? files)
 #endif
         {
             // If we have an invalid path
-            if (string.IsNullOrWhiteSpace(path))
+            if (string.IsNullOrEmpty(path))
                 return null;
 
             // Setup the output dictionary
+#if NET20 || NET35
+            var protections = new Queue<string>();
+#else
             var protections = new ConcurrentQueue<string>();
+#endif
 
             // If we have a file path
             if (File.Exists(path))
             {
-                var protection = impl.CheckFilePath(path);
+                var protection = impl.CheckFilePath(path!);
                 var subProtections = ProcessProtectionString(protection);
                 if (subProtections != null)
                     protections.AddRange(subProtections);
@@ -180,7 +381,7 @@ namespace BinaryObjectScanner
             // If we have a directory path
             if (Directory.Exists(path) && files?.Any() == true)
             {
-                var subProtections = impl.CheckDirectoryPath(path, files);
+                var subProtections = impl.CheckDirectoryPath(path!, files);
                 if (subProtections != null)
                     protections.AddRange(subProtections);
             }
@@ -195,33 +396,41 @@ namespace BinaryObjectScanner
         /// <summary>
         /// Initialize all implementations of a type
         /// </summary>
-#if NET48
-        private static IEnumerable<T> InitCheckClasses<T>()
-#else
-        private static IEnumerable<T?> InitCheckClasses<T>()
-#endif
-        {
-            return InitCheckClasses<T>(typeof(GameEngine._DUMMY).Assembly)
-                .Concat(InitCheckClasses<T>(typeof(Packer._DUMMY).Assembly))
-                .Concat(InitCheckClasses<T>(typeof(Protection._DUMMY).Assembly));
-        }
+        private static IEnumerable<T?> InitCheckClasses<T>() =>
+            InitCheckClasses<T>(Assembly.GetExecutingAssembly());
 
         /// <summary>
         /// Initialize all implementations of a type
         /// </summary>
-#if NET48
-        private static IEnumerable<T> InitCheckClasses<T>(Assembly assembly)
-#else
         private static IEnumerable<T?> InitCheckClasses<T>(Assembly assembly)
-#endif
         {
-            return assembly.GetTypes()?
-                .Where(t => t.IsClass && t.GetInterface(typeof(T).Name) != null)?
-#if NET48
-                .Select(t => (T)Activator.CreateInstance(t)) ?? Array.Empty<T>();
-#else
-                .Select(t => (T?)Activator.CreateInstance(t)) ?? Array.Empty<T>();
-#endif
+            List<T?> classTypes = [];
+
+            // If not all types can be loaded, use the ones that could be
+            List<Type> assemblyTypes = [];
+            try
+            {
+                assemblyTypes = assembly.GetTypes().ToList<Type>();
+            }
+            catch (ReflectionTypeLoadException rtle)
+            {
+                assemblyTypes = rtle.Types.Where(t => t != null)!.ToList<Type>();
+            }
+
+            // Loop through all types 
+            foreach (Type type in assemblyTypes)
+            {
+                // If the type isn't a class or doesn't implement the interface
+                if (!type.IsClass || type.GetInterface(typeof(T).Name) == null)
+                    continue;
+
+                // Try to create a concrete instance of the type
+                var instance = (T?)Activator.CreateInstance(type);
+                if (instance != null)
+                    classTypes.Add(instance);
+            }
+
+            return classTypes;
         }
 
         #endregion
@@ -233,21 +442,25 @@ namespace BinaryObjectScanner
         /// </summary>
         /// <param name="protection">Protection string to process</param>
         /// <returns>Set of protections parsed, null on error</returns>
-#if NET48
-        private static ConcurrentQueue<string> ProcessProtectionString(string protection)
+#if NET20 || NET35
+        private static Queue<string>? ProcessProtectionString(string? protection)
 #else
         private static ConcurrentQueue<string>? ProcessProtectionString(string? protection)
 #endif
         {
             // If we have an invalid protection string
-            if (string.IsNullOrWhiteSpace(protection))
+            if (string.IsNullOrEmpty(protection))
                 return null;
 
             // Setup the output queue
+#if NET20 || NET35
+            var protections = new Queue<string>();
+#else
             var protections = new ConcurrentQueue<string>();
+#endif
 
             // If we have an indicator of multiple protections
-            if (protection.Contains(";"))
+            if (protection!.Contains(";"))
             {
                 var splitProtections = protection.Split(';');
                 protections.AddRange(splitProtections);

BinaryObjectScanner/Interfaces/IContentCheck.cs

@@ -12,10 +12,6 @@
         /// <param name="fileContent">Byte array representing the file contents</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>String containing any protections found in the file</returns>
-#if NET48
-        string CheckContents(string file, byte[] fileContent, bool includeDebug);
-#else
         string? CheckContents(string file, byte[] fileContent, bool includeDebug);
-#endif
     }
 }

BinaryObjectScanner/Interfaces/IDetectable.cs

@@ -14,11 +14,7 @@ namespace BinaryObjectScanner.Interfaces
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>Detected file or protection type, null on error</returns>
         /// <remarks>Ideally, this should just point to the other detect implementation.</remarks>
-#if NET48
-        string Detect(string file, bool includeDebug);
-#else
         string? Detect(string file, bool includeDebug);
-#endif
 
         /// <summary>
         /// Check if a stream is detected as this file type
@@ -27,10 +23,6 @@ namespace BinaryObjectScanner.Interfaces
         /// <param name="file">Path to the input file</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>Detected file or protection type, null on error</returns>
-#if NET48
-        string Detect(Stream stream, string file, bool includeDebug);
-#else
         string? Detect(Stream stream, string file, bool includeDebug);
-#endif
     }
 }

BinaryObjectScanner/Interfaces/IExtractable.cs

@@ -16,11 +16,7 @@ namespace BinaryObjectScanner.Interfaces
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>Path to extracted files, null on error</returns>
         /// <remarks>Ideally, this should just point to the other extract implementation.</remarks>
-#if NET48
-        string Extract(string file, bool includeDebug);
-#else
         string? Extract(string file, bool includeDebug);
-#endif
 
         /// <summary>
         /// Extract a stream to a temporary path, if possible
@@ -29,10 +25,6 @@ namespace BinaryObjectScanner.Interfaces
         /// <param name="file">Path to the input file</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>Path to extracted files, null on error</returns>
-#if NET48
-        string Extract(Stream stream, string file, bool includeDebug);
-#else
         string? Extract(Stream? stream, string file, bool includeDebug);
-#endif
     }
 }

BinaryObjectScanner/Interfaces/IExtractableLinearExecutable.cs

@@ -0,0 +1,19 @@
+using SabreTools.Serialization.Wrappers;
+
+namespace BinaryObjectScanner.Interfaces
+{
+    /// <summary>
+    /// Mark a LinearExecutable type as being able to be extracted
+    /// </summary>
+    public interface IExtractableLinearExecutable
+    {
+        /// <summary>
+        /// Extract a LinearExecutable to a temporary path, if possible
+        /// </summary>
+        /// <param name="file">Path to the input file</param>
+        /// <param name="lex">LinearExecutable representing the read-in file</param>
+        /// <param name="includeDebug">True to include debug data, false otherwise</param>
+        /// <returns>Path to extracted files, null on error</returns>
+        string? Extract(string file, LinearExecutable lex, bool includeDebug);
+    }
+}

BinaryObjectScanner/Interfaces/IExtractableMSDOSExecutable.cs

@@ -0,0 +1,19 @@
+using SabreTools.Serialization.Wrappers;
+
+namespace BinaryObjectScanner.Interfaces
+{
+    /// <summary>
+    /// Mark a MSDOS type as being able to be extracted
+    /// </summary>
+    public interface IExtractableMSDOSExecutable
+    {
+        /// <summary>
+        /// Extract a MSDOS to a temporary path, if possible
+        /// </summary>
+        /// <param name="file">Path to the input file</param>
+        /// <param name="mz">MSDOS representing the read-in file</param>
+        /// <param name="includeDebug">True to include debug data, false otherwise</param>
+        /// <returns>Path to extracted files, null on error</returns>
+        string? Extract(string file, MSDOS mz, bool includeDebug);
+    }
+}

BinaryObjectScanner/Interfaces/IExtractableNewExecutable.cs

@@ -0,0 +1,19 @@
+using SabreTools.Serialization.Wrappers;
+
+namespace BinaryObjectScanner.Interfaces
+{
+    /// <summary>
+    /// Mark a NewExecutable type as being able to be extracted
+    /// </summary>
+    public interface IExtractableNewExecutable
+    {
+        /// <summary>
+        /// Extract a NewExecutable to a temporary path, if possible
+        /// </summary>
+        /// <param name="file">Path to the input file</param>
+        /// <param name="nex">NewExecutable representing the read-in file</param>
+        /// <param name="includeDebug">True to include debug data, false otherwise</param>
+        /// <returns>Path to extracted files, null on error</returns>
+        string? Extract(string file, NewExecutable nex, bool includeDebug);
+    }
+}

BinaryObjectScanner/Interfaces/IExtractablePortableExecutable.cs

@@ -0,0 +1,19 @@
+using SabreTools.Serialization.Wrappers;
+
+namespace BinaryObjectScanner.Interfaces
+{
+    /// <summary>
+    /// Mark a PortableExecutable type as being able to be extracted
+    /// </summary>
+    public interface IExtractablePortableExecutable
+    {
+        /// <summary>
+        /// Extract a PortableExecutable to a temporary path, if possible
+        /// </summary>
+        /// <param name="file">Path to the input file</param>
+        /// <param name="pex">PortableExecutable representing the read-in file</param>
+        /// <param name="includeDebug">True to include debug data, false otherwise</param>
+        /// <returns>Path to extracted files, null on error</returns>
+        string? Extract(string file, PortableExecutable pex, bool includeDebug);
+    }
+}

BinaryObjectScanner/Interfaces/ILinearExecutableCheck.cs

@@ -14,10 +14,6 @@ namespace BinaryObjectScanner.Interfaces
         /// <param name="lex">LinearExecutable representing the read-in file</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>String containing any protections found in the file</returns>
-#if NET48
-        string CheckLinearExecutable(string file, LinearExecutable lex, bool includeDebug);
-#else
         string? CheckLinearExecutable(string file, LinearExecutable lex, bool includeDebug);
-#endif
     }
 }

BinaryObjectScanner/Interfaces/IMSDOSExecutableCheck.cs

@@ -14,10 +14,6 @@ namespace BinaryObjectScanner.Interfaces
         /// <param name="mz">MSDOS representing the read-in file</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>String containing any protections found in the file</returns>
-#if NET48
-        string CheckMSDOSExecutable(string file, MSDOS mz, bool includeDebug);
-#else
         string? CheckMSDOSExecutable(string file, MSDOS mz, bool includeDebug);
-#endif
     }
 }

BinaryObjectScanner/Interfaces/INewExecutableCheck.cs

@@ -14,10 +14,6 @@ namespace BinaryObjectScanner.Interfaces
         /// <param name="nex">NewExecutable representing the read-in file</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>String containing any protections found in the file</returns>
-#if NET48
-        string CheckNewExecutable(string file, NewExecutable nex, bool includeDebug);
-#else
         string? CheckNewExecutable(string file, NewExecutable nex, bool includeDebug);
-#endif
     }
 }

BinaryObjectScanner/Interfaces/IPathCheck.cs

@@ -1,4 +1,6 @@
-using System.Collections.Concurrent;
+#if NET40_OR_GREATER || NETCOREAPP
+using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 
 namespace BinaryObjectScanner.Interfaces
@@ -17,8 +19,8 @@ namespace BinaryObjectScanner.Interfaces
         /// <param name="path">Path to check for protection indicators</param>
         /// <param name="files">Enumerable of strings representing files in a directory</param>
         /// <remarks>This can do some limited content checking as well, but it's suggested to use a content check instead, if possible</remarks>
-#if NET48
-        ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files);
+#if NET20 || NET35
+        Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files);
 #else
         ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files);
 #endif
@@ -28,10 +30,6 @@ namespace BinaryObjectScanner.Interfaces
         /// </summary>
         /// <param name="path">Path to check for protection indicators</param>
         /// <remarks>This can do some limited content checking as well, but it's suggested to use a content check instead, if possible</remarks>
-#if NET48
-        string CheckFilePath(string path);
-#else
         string? CheckFilePath(string path);
-#endif
     }
 }

BinaryObjectScanner/Interfaces/IPortableExecutableCheck.cs

@@ -14,10 +14,6 @@ namespace BinaryObjectScanner.Interfaces
         /// <param name="pex">PortableExecutable representing the read-in file</param>
         /// <param name="includeDebug">True to include debug data, false otherwise</param>
         /// <returns>String containing any protections found in the file</returns>
-#if NET48
-        string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug);
-#else
         string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug);
-#endif
     }
 }

BinaryObjectScanner/Packer/ASPack.cs

@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using System.IO;
 using System.Text;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Matching;
@@ -8,14 +7,10 @@ using SabreTools.Serialization.Wrappers;
 namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction
-    public class ASPack : IExtractable, IPortableExecutableCheck
+    public class ASPack : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -33,7 +28,7 @@ namespace BinaryObjectScanner.Packer
             // {
             //     var matchers = GenerateMatchers();
             //     var match = MatchUtil.GetFirstMatch(file, pex.EntryPointRaw, matchers, includeDebug);
-            //     if (!string.IsNullOrWhiteSpace(match))
+            //     if (!string.IsNullOrEmpty(match))
             //         return match;
             // }
 
@@ -46,7 +41,7 @@ namespace BinaryObjectScanner.Packer
                 {
                     var matchers = GenerateMatchers();
                     var match = MatchUtil.GetFirstMatch(file, adataSectionRaw, matchers, includeDebug);
-                    if (!string.IsNullOrWhiteSpace(match))
+                    if (!string.IsNullOrEmpty(match))
                         return match;
                 }
             }
@@ -55,27 +50,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }
@@ -90,7 +65,7 @@ namespace BinaryObjectScanner.Packer
             {
                 #region No Wildcards (Long)
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0x92, 0x1A, 0x44, 0x00, 0xB8, 0x8C, 0x1A,
@@ -99,7 +74,7 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0xC4, 0x1D, 0x44,
                 }, "ASPack 1.00b -> Solodovnikov Alexey"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0xD2, 0x2A, 0x44, 0x00, 0xB8, 0xCC, 0x2A,
@@ -113,7 +88,7 @@ namespace BinaryObjectScanner.Packer
                     0x44, 0x00, 0x89, 0x44, 0x24, 0x1C, 0x61, 0xFF
                 }, "ASPack 1.01b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0xD2, 0x2A, 0x44, 0x00, 0xB8, 0xCC, 0x2A,
@@ -122,7 +97,7 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0x9C, 0x2E, 0x44
                 }, "ASPack 1.01b -> Solodovnikov Alexey"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0x96, 0x78, 0x43, 0x00, 0xB8, 0x90, 0x78,
@@ -136,7 +111,7 @@ namespace BinaryObjectScanner.Packer
                     0x43, 0x00, 0x89, 0x44, 0x24, 0x1C, 0x61, 0xFF
                 }, "ASPack 1.02b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0x96, 0x78, 0x43, 0x00, 0xB8, 0x90, 0x78,
@@ -146,7 +121,7 @@ namespace BinaryObjectScanner.Packer
                     0x15, 0xFE, 0x85, 0x74, 0x7C, 0x43
                 }, "ASPack 1.02b -> Solodovnikov Alexey"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0x8A, 0x1C, 0x40, 0x00, 0xB9, 0x9E, 0x00,
@@ -154,14 +129,14 @@ namespace BinaryObjectScanner.Packer
                     0x8B, 0xF7, 0x33
                 }, "ASPack 1.02b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0x96, 0x78, 0x43, 0x00, 0xB8, 0x90, 0x78,
                     0x43, 0x00, 0x03, 0xC5
                 }, "ASPack 1.02b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0xAE, 0x98, 0x43, 0x00, 0xB8, 0xA8, 0x98,
@@ -170,7 +145,7 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0x0E, 0x9D, 0x43
                 }, "ASPack 1.03b -> Solodovnikov Alexey"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0xCE, 0x3A, 0x44, 0x00, 0xB8, 0xC8, 0x3A,
@@ -179,7 +154,7 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0xAC, 0x3E, 0x44
                 }, "ASPack 1.05b -> Solodovnikov Alexey"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0xEA, 0xA8, 0x43, 0x00, 0xB8, 0xE4, 0xA8,
@@ -193,7 +168,7 @@ namespace BinaryObjectScanner.Packer
                     0x43, 0x00, 0x89, 0x44, 0x24, 0x1C, 0x61, 0xFF
                 }, "ASPack 1.06.01b (DLL)"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0xEA, 0xA8, 0x43, 0x00, 0xB8, 0xE4, 0xA8,
@@ -203,7 +178,7 @@ namespace BinaryObjectScanner.Packer
                     0x15, 0xFE, 0x85, 0x6E, 0xAD, 0x43
                 }, "ASPack 1.06.01b -> Solodovnikov Alexey"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0x3E, 0xD9, 0x43, 0x00, 0xB8, 0x38, 0xD9,
@@ -217,7 +192,7 @@ namespace BinaryObjectScanner.Packer
                     0x43, 0x00, 0x89, 0x44, 0x24, 0x1C, 0x61, 0xFF
                 }, "ASPack 1.07b (DLL)"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xEB, 0x03, 0x5D, 0xFF, 0xE5, 0xE8, 0xF8,
                     0xFF, 0xFF, 0xFF, 0x81, 0xED, 0x1B, 0x6A, 0x44,
@@ -225,7 +200,7 @@ namespace BinaryObjectScanner.Packer
                     0x2B, 0x9D, 0x2A
                 }, "ASPack 1.08"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0x0A, 0x4A, 0x44, 0x00, 0xBB, 0x04, 0x4A,
@@ -239,7 +214,7 @@ namespace BinaryObjectScanner.Packer
                     0x53, 0x50, 0xFF, 0x95, 0x90, 0x51, 0x44, 0x00
                 }, "ASPack 1.08.03"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0x0A, 0x4A, 0x44, 0x00, 0xBB, 0x04, 0x4A,
@@ -248,20 +223,20 @@ namespace BinaryObjectScanner.Packer
                     0x00, 0x89, 0x9D, 0xBB, 0x4E
                 }, "ASPack 1.08.03"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0x0A, 0x4A, 0x44, 0x00, 0xBB, 0x04, 0x4A,
                     0x44, 0x00, 0x03, 0xDD
                 }, "ASPack 1.08.03"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x72, 0x05, 0x00, 0x00, 0xEB, 0x33,
                     0x87, 0xDB, 0x90, 0x00
                 }, "ASPack 2.00.01"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x03, 0x00, 0x00, 0x00, 0xE9, 0xEB,
                     0x04, 0x5D, 0x45, 0x55, 0xC3, 0xE8, 0x01, 0x00,
@@ -269,34 +244,34 @@ namespace BinaryObjectScanner.Packer
                     0xFF, 0x03, 0xDD, 0x81, 0xEB
                 }, "ASPack 2.1"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x02, 0x00, 0x00, 0x00, 0xEB, 0x09,
                     0x5D, 0x55, 0x81, 0xED, 0x39, 0x39, 0x44, 0x00,
                     0xC3, 0xE9, 0x3D, 0x04, 0x00, 0x00
                 }, "ASPack 2.11b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x02, 0x00, 0x00, 0x00, 0xEB, 0x09,
                     0x5D, 0x55
                 }, "ASPack 2.11b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x02, 0x00, 0x00, 0x00, 0xEB, 0x09,
                     0x5D, 0x55, 0x81, 0xED, 0x39, 0x39, 0x44, 0x00,
                     0xC3, 0xE9, 0x59, 0x04, 0x00, 0x00
                 }, "ASPack 2.11c"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x02, 0x00, 0x00, 0x00, 0xCD, 0x20,
                     0xE8, 0x00, 0x00, 0x00, 0x00, 0x5E, 0x2B, 0xC9,
                     0x58, 0x74, 0x02
                 }, "ASPack 2.11d"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x03, 0x00, 0x00, 0x00, 0xE9, 0xEB,
                     0x04, 0x5D, 0x45, 0x55, 0xC3, 0xE8, 0x01
@@ -306,7 +281,7 @@ namespace BinaryObjectScanner.Packer
 
                 #region Wildcards (Long)
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, null, null, null, null, 0x5D, 0x81,
                     0xED, 0x3E, 0xD9, 0x43, null, 0xB8, 0x38, null,
@@ -320,7 +295,7 @@ namespace BinaryObjectScanner.Packer
                     0x43, null, 0x89, 0x44, 0x24, 0x1C, 0x61, 0xFF
                 }, "ASPack 1.00b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, null, null, null, null, 0x5D, 0x81,
                     0xED, 0xD2, 0x2A, 0x44, null, 0xB8, 0xCC, 0x2A,
@@ -329,7 +304,7 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0x9C, 0x2E, 0x44
                 }, "ASPack 1.01b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, null, null, null, null, 0x5D, 0x81,
                     0xED, 0xCE, 0x3A, 0x44, null, 0xB8, 0xC8, 0x3A,
@@ -338,7 +313,7 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0xAC, 0x3E, 0x44
                 }, "ASPack 1.01b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, 0x3E, 0xD9, 0x43, 0x00, 0xB8, 0x38, null,
@@ -352,13 +327,13 @@ namespace BinaryObjectScanner.Packer
                     0x43, 0x00, 0x89, 0x44, 0x24, 0x1C, 0x61, 0xFF
                 }, "ASPack 1.02a -> Solodovnikov Alexey"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, null, null, null, null, 0x5D, 0x81,
                     0xED, 0x06, null, null, null, 0x64, 0xA0, 0x23
                 }, "ASPack 1.02a"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, null, null, null, null, 0x5D, 0x81,
                     0xED, 0x96, 0x78, 0x43, null, 0xB8, 0x90, 0x78,
@@ -367,7 +342,7 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0x74, 0x7C, 0x43
                 }, "ASPack 1.02b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, null, null, null, null, 0x5D, 0x81,
                     0xED, 0xAE, 0x98, 0x43, null, 0xB8, 0xA8, 0x98,
@@ -376,7 +351,7 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0x0E, 0x9D, 0x43
                 }, "ASPack 1.03b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, null, null, null, null, 0x5D, 0x81,
                     0xED, null, null, null, null, 0xE8, 0x0D, null,
@@ -384,7 +359,7 @@ namespace BinaryObjectScanner.Packer
                     null, null, null, null, null, null, null, 0x58
                 }, "ASPack 1.03b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81,
                     0xED, null, null, null, 0x00, 0xB8, null, null,
@@ -393,7 +368,7 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0x08, 0x9D, null, 0x00, 0x00
                 }, "ASPack 1.04b -> Solodovnikov Alexey"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, null, null, null, null, 0x5D, 0x81,
                     0xED, null, null, null, null, 0xB8, null, null,
@@ -402,7 +377,7 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0x08, 0x9D
                 }, "ASPack 1.04b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, null, null, null, null, 0x5D, 0x81,
                     0xED, null, null, null, null, 0xB8, null, null,
@@ -411,7 +386,7 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0x01, 0xDE
                 }, "ASPack 1.04b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, null, null, null, null, 0x5D, 0x81,
                     0xED, 0xEA, 0xA8, 0x43, null, 0xB8, 0xE4, 0xA8,
@@ -420,28 +395,28 @@ namespace BinaryObjectScanner.Packer
                     0x80, 0xBD, 0x6E, 0xAD, 0x43
                 }, "ASPack 1.06.1b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x90, 0x61, 0xBE, null, null, null, null, 0x8D,
                     0xBE, null, null, null, null, 0x57, 0x83, 0xCD,
                     0xFF
                 }, "ASPack 1.06.1b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, null,
                     null, null, null, null, null, 0xB8, null, null,
                     null, null, 0x03, 0xC5
                 }, "ASPack 1.07b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, null, null, null, null, 0x5D, 0x81,
                     0xED, null, null, null, null, 0x60, 0xE8, 0x2B,
                     0x03, 0x00, 0x00
                 }, "ASPack 1.07b"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xEB, 0x0A, 0x5D, 0xEB, 0x02, 0xFF, 0x25,
                     0x45, 0xFF, 0xE5, 0xE8, 0xE9, 0xE8, 0xF1, 0xFF,
@@ -450,7 +425,7 @@ namespace BinaryObjectScanner.Packer
                     0x2B, 0x9D
                 }, "ASPack 1.08.01"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xEB, 0x0A, 0x5D, 0xEB, 0x02, 0xFF, 0x25,
                     0x45, 0xFF, 0xE5, 0xE8, 0xE9, 0xE8, 0xF1, 0xFF,
@@ -459,7 +434,7 @@ namespace BinaryObjectScanner.Packer
                     0x2B, 0x9D
                 }, "ASPack 1.08.01"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xEB, 0x0A, 0x5D, 0xEB, 0x02, 0xFF, 0x25,
                     0x45, 0xFF, 0xE5, 0xE8, 0xE9, 0xE8, 0xF1, 0xFF,
@@ -468,7 +443,7 @@ namespace BinaryObjectScanner.Packer
                     0x2B, 0x9D, 0x72
                 }, "ASPack 1.08.02"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, null,
                     null, null, null, null, null, 0xBB, null, null,
@@ -477,14 +452,14 @@ namespace BinaryObjectScanner.Packer
                     0x00, 0x89, 0x9D, 0xBB, 0x4E
                 }, "ASPack 1.08.03"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, null,
                     null, null, null, null, null, 0xBB, null, null,
                     null, null, 0x03, 0xDD
                 }, "ASPack 1.08.03"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x55, 0x57, 0x51, 0x53, 0xE8, null, null, null,
                     null, 0x5D, 0x8B, 0xC5, 0x81, 0xED, null, null,
@@ -493,27 +468,27 @@ namespace BinaryObjectScanner.Packer
                     null, 0x0F, 0xB6
                 }, "ASPack 1.08.03"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE9, null, null, null, null, 0xEF, 0x40,
                     0x03, 0xA7, 0x07, 0x8F, 0x07, 0x1C, 0x37, 0x5D,
                     0x43, 0xA7, 0x04, 0xB9, 0x2C, 0x3A
                 }, "ASPack 1.08.x"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x02, 0x00, 0x00, 0x00, 0xEB, 0x09,
                     0x5D, 0x55, 0x81, 0xED, 0x39, 0x39, 0x44, 0x00,
                     0xC3, 0xE9, null, 0x04, 0x00, 0x00
                 }, "ASPack 2.11.x -> Alexey Solodovnikov"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     null, 0xE8, 0x03, 0x00, 0x00, 0x00, 0xE9, 0xEB,
                     0x04, 0x5D, 0x45, 0x55, 0xC3, 0xE8, 0x01
                 }, "ASPack 2.12 (without Poly) -> Solodovnikov Alexey"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     null, 0x60, 0xE8, 0x03, 0x00, 0x00, 0x00, 0xE9,
                     0xEB, 0x04, 0x5D, 0x45, 0x55, 0xC3, 0xE8, 0x01,
@@ -530,7 +505,7 @@ namespace BinaryObjectScanner.Packer
                     0xFF, 0x95, 0x48, 0x0F
                 }, "ASPack 2.12b -> Solodovnikov Alexey"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x60, 0xE8, 0x03, 0x00, 0x00, 0x00, 0xE9, 0xEB,
                     0x04, 0x5D, 0x45, 0x55, 0xC3, 0xE8, 0x01, 0x00,
@@ -579,7 +554,7 @@ namespace BinaryObjectScanner.Packer
                     0x08
                 }, "ASPack 2.2 -> Alexey Solodovnikov & StarForce * 2009408"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     null, 0x60, 0xE8, 0x03, 0x00, 0x00, 0x00, 0xE9,
                     0xEB, 0x04, 0x5D, 0x45, 0x55, 0xC3, 0xE8, 0x01,
@@ -592,7 +567,7 @@ namespace BinaryObjectScanner.Packer
 
                 #region 2.xx (Long)
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0xA8, 0x03, 0x00, 0x00, 0x61, 0x75, 0x08, 0xB8,
                     0x01, 0x00, 0x00, 0x00, 0xC2, 0x0C, 0x00, 0x68,
@@ -601,7 +576,7 @@ namespace BinaryObjectScanner.Packer
                     0x00, 0x51, 0x50, 0xFF, 0x95
                 }, "ASPack 2.xx"),
 
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0xA8, 0x03, null, null, 0x61, 0x75, 0x08, 0xB8,
                     0x01, null, null, null, 0xC2, 0x0C, null, 0x68,
@@ -614,55 +589,55 @@ namespace BinaryObjectScanner.Packer
 
                 #region Short
 
-                new ContentMatchSet(new byte?[] { 0x75, 0x00, 0xE9 }, "ASPack 1.05b"),
+                new(new byte?[] { 0x75, 0x00, 0xE9 }, "ASPack 1.05b"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x90, 0x90, 0x75, 0x00, 0xE9 }, "ASPack 1.06.1b"),
+                new(new byte?[] { 0x90, 0x90, 0x90, 0x75, 0x00, 0xE9 }, "ASPack 1.06.1b"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x90, 0x75, 0x00, 0xE9 }, "ASPack 1.06.1b"),
+                new(new byte?[] { 0x90, 0x90, 0x75, 0x00, 0xE9 }, "ASPack 1.06.1b"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x75, 0x00, 0xE9 }, "ASPack 1.06.1b"),
+                new(new byte?[] { 0x90, 0x75, 0x00, 0xE9 }, "ASPack 1.06.1b"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x90, 0x90, 0x75, null, 0xE9 }, "ASPack 1.07b"),
+                new(new byte?[] { 0x90, 0x90, 0x90, 0x75, null, 0xE9 }, "ASPack 1.07b"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x90, 0x75, null, 0xE9 }, "ASPack 1.07b"),
+                new(new byte?[] { 0x90, 0x90, 0x75, null, 0xE9 }, "ASPack 1.07b"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x75, null, 0xE9 }, "ASPack 1.07b"),
+                new(new byte?[] { 0x90, 0x75, null, 0xE9 }, "ASPack 1.07b"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x90, 0x90, 0x75, 0x01, 0x90, 0xE9 }, "ASPack 1.08"),
+                new(new byte?[] { 0x90, 0x90, 0x90, 0x75, 0x01, 0x90, 0xE9 }, "ASPack 1.08"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x90, 0x90, 0x75, 0x01, 0xFF, 0xE9 }, "ASPack 1.08"),
+                new(new byte?[] { 0x90, 0x90, 0x90, 0x75, 0x01, 0xFF, 0xE9 }, "ASPack 1.08"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x90, 0x75, 0x01, 0xFF, 0xE9 }, "ASPack 1.08"),
+                new(new byte?[] { 0x90, 0x90, 0x75, 0x01, 0xFF, 0xE9 }, "ASPack 1.08"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x75, 0x01, 0xFF, 0xE9 }, "ASPack 1.08"),
+                new(new byte?[] { 0x90, 0x75, 0x01, 0xFF, 0xE9 }, "ASPack 1.08"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x90, 0x90, 0x75, null, 0x90, 0xE9 }, "ASPack 1.08.01"),
+                new(new byte?[] { 0x90, 0x90, 0x90, 0x75, null, 0x90, 0xE9 }, "ASPack 1.08.01"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x90, 0x75, null, 0x90, 0xE9 }, "ASPack 1.08.01"),
+                new(new byte?[] { 0x90, 0x90, 0x75, null, 0x90, 0xE9 }, "ASPack 1.08.01"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x75, null, 0x90, 0xE9 }, "ASPack 1.08.01"),
+                new(new byte?[] { 0x90, 0x75, null, 0x90, 0xE9 }, "ASPack 1.08.01"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x90, 0x75, 0x01, 0x90, 0xE9 }, "ASPack 1.08.02"),
+                new(new byte?[] { 0x90, 0x90, 0x75, 0x01, 0x90, 0xE9 }, "ASPack 1.08.02"),
 
-                new ContentMatchSet(new byte?[] { 0x90, 0x75, 0x01, 0x90, 0xE9 }, "ASPack 1.08.02"),
+                new(new byte?[] { 0x90, 0x75, 0x01, 0x90, 0xE9 }, "ASPack 1.08.02"),
 
-                new ContentMatchSet(new byte?[] { 0x60, 0xE8, 0x41, 0x06, 0x00, 0x00, 0xEB, 0x41 }, "ASPack 1.08.04"),
+                new(new byte?[] { 0x60, 0xE8, 0x41, 0x06, 0x00, 0x00, 0xEB, 0x41 }, "ASPack 1.08.04"),
 
-                new ContentMatchSet(new byte?[] { 0x60, 0xE8, null, null, null, null, 0xEB }, "ASPack 1.08.04"),
+                new(new byte?[] { 0x60, 0xE8, null, null, null, null, 0xEB }, "ASPack 1.08.04"),
 
-                new ContentMatchSet(new byte?[] { 0x60, 0xE8, 0x70, 0x05, 0x00, 0x00, 0xEB, 0x4C }, "ASPack 2.00.00"),
+                new(new byte?[] { 0x60, 0xE8, 0x70, 0x05, 0x00, 0x00, 0xEB, 0x4C }, "ASPack 2.00.00"),
 
-                new ContentMatchSet(new byte?[] { 0x60, 0xE8, 0x48, 0x11, 0x00, 0x00, 0xC3, 0x83 }, "ASPack 2.00.00"),
+                new(new byte?[] { 0x60, 0xE8, 0x48, 0x11, 0x00, 0x00, 0xC3, 0x83 }, "ASPack 2.00.00"),
 
-                new ContentMatchSet(new byte?[] { 0x60, 0xE8, 0x72, 0x05, 0x00, 0x00, 0xEB, 0x4C }, "ASPack 2.00.01"),
+                new(new byte?[] { 0x60, 0xE8, 0x72, 0x05, 0x00, 0x00, 0xEB, 0x4C }, "ASPack 2.00.01"),
 
-                new ContentMatchSet(new byte?[] { 0x60, 0xE8, null, 0x05, 0x00, 0x00, 0xEB, 0x4C }, "ASPack 2.00.x -> Alexey Solodovnikov"),
+                new(new byte?[] { 0x60, 0xE8, null, 0x05, 0x00, 0x00, 0xEB, 0x4C }, "ASPack 2.00.x -> Alexey Solodovnikov"),
 
-                new ContentMatchSet(new byte?[] { 0x60, 0xE9, 0x3D, 0x04, 0x00, 0x00 }, "ASPack 2.11"),
+                new(new byte?[] { 0x60, 0xE9, 0x3D, 0x04, 0x00, 0x00 }, "ASPack 2.11"),
 
-                new ContentMatchSet(new byte?[] { 0x60, 0xE8, 0xF9, 0x11, 0x00, 0x00, 0xC3, 0x83 }, "ASPack 2.11"),
+                new(new byte?[] { 0x60, 0xE8, 0xF9, 0x11, 0x00, 0x00, 0xC3, 0x83 }, "ASPack 2.11"),
 
-                new ContentMatchSet(new byte?[] { 0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81, 0xED }, "ASPack 1.02b/1.08.03"),
+                new(new byte?[] { 0x60, 0xE8, 0x00, 0x00, 0x00, 0x00, 0x5D, 0x81, 0xED }, "ASPack 1.02b/1.08.03"),
 
                 #endregion
             };

BinaryObjectScanner/Packer/AdvancedInstaller.cs

@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
@@ -8,14 +6,10 @@ namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction
     // TODO: Verify that all versions are detected
-    public class AdvancedInstaller : IExtractable, IPortableExecutableCheck
+    public class AdvancedInstaller : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -34,27 +28,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/Armadillo.cs

@@ -1,5 +1,4 @@
-using System.IO;
-using System.Linq;
+using System.Linq;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
 
@@ -8,14 +7,10 @@ namespace BinaryObjectScanner.Packer
     // TODO: Add extraction
     // TODO: Add version checking, if possible
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class Armadillo : IExtractable, IPortableExecutableCheck
+    public class Armadillo : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -46,27 +41,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/AutoPlayMediaStudio.cs

@@ -1,5 +1,4 @@
 using System;
-using System.IO;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
 
@@ -8,14 +7,10 @@ namespace BinaryObjectScanner.Packer
     // Created by IndigoRose (creators of Setup Factory), primarily to be used to create autorun menus for various media.
     // Official website: https://www.autoplay.org/
     // TODO: Add extraction
-    public class AutoPlayMediaStudio : IExtractable, IPortableExecutableCheck
+    public class AutoPlayMediaStudio : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -38,27 +33,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }
@@ -68,12 +43,12 @@ namespace BinaryObjectScanner.Packer
             // Check the product version explicitly
             var version = pex.ProductVersion;
             if (!string.IsNullOrEmpty(version))
-                return version;
+                return version!;
 
             // Check the internal versions
             version = pex.GetInternalVersion();
             if (!string.IsNullOrEmpty(version))
-                return version;
+                return version!;
 
             return "(Unknown Version)";
         }

BinaryObjectScanner/Packer/CExe.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
-using ICSharpCode.SharpZipLib.Zip.Compression;
+using SabreTools.Compression.zlib;
 using SabreTools.Matching;
 using SabreTools.Serialization.Wrappers;
 
@@ -12,14 +12,10 @@ namespace BinaryObjectScanner.Packer
     // The official website for CExe also includes the source code (which does have to be retrieved by the Wayback Machine)
     // http://www.scottlu.com/Content/CExe.html
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class CExe : IExtractable, IPortableExecutableCheck
+    public class CExe : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -34,7 +30,7 @@ namespace BinaryObjectScanner.Packer
             {
                 var matchers = new List<ContentMatchSet>
             {
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x25, 0x57, 0x6F, 0xC1, 0x61, 0x36, 0x01, 0x92,
                     0x61, 0x36, 0x01, 0x92, 0x61, 0x36, 0x01, 0x92,
@@ -46,7 +42,7 @@ namespace BinaryObjectScanner.Packer
             };
 
                 var match = MatchUtil.GetFirstMatch(file, pex.StubExecutableData, matchers, includeDebug);
-                if (!string.IsNullOrWhiteSpace(match))
+                if (!string.IsNullOrEmpty(match))
                     return match;
             }
 
@@ -54,35 +50,10 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             try
             {
-                // Parse into an executable again for easier extraction
-                var pex = PortableExecutable.Create(stream);
-                if (pex == null)
-                    return null;
-
                 // Get the first resource of type 99 with index 2
                 var payload = pex.FindResourceByNamedType("99, 2").FirstOrDefault();
                 if (payload == null || payload.Length == 0)
@@ -100,13 +71,35 @@ namespace BinaryObjectScanner.Packer
                     try
                     {
                         // Inflate the data into the buffer
-                        Inflater inflater = new Inflater();
-                        inflater.SetInput(payload);
+                        var zstream = new ZLib.z_stream_s();
                         data = new byte[payload.Length * 4];
-                        int read = inflater.Inflate(data);
+                        unsafe
+                        {
+                            fixed (byte* payloadPtr = payload)
+                            fixed (byte* dataPtr = data)
+                            {
+                                zstream.next_in = payloadPtr;
+                                zstream.avail_in = (uint)payload.Length;
+                                zstream.total_in = (uint)payload.Length;
+                                zstream.next_out = dataPtr;
+                                zstream.avail_out = (uint)data.Length;
+                                zstream.total_out = 0;
+
+                                ZLib.inflateInit_(zstream, ZLib.zlibVersion(), payload.Length);
+                                int zret = ZLib.inflate(zstream, 1);
+                                ZLib.inflateEnd(zstream);
+                            }
+                        }
 
                         // Trim the buffer to the proper size
-                        data = new ReadOnlySpan<byte>(data, 0, read).ToArray();
+                        uint read = zstream.total_out;
+#if NET462_OR_GREATER || NETCOREAPP
+                        data = new ReadOnlySpan<byte>(data, 0, (int)read).ToArray();
+#else
+                        var temp = new byte[read];
+                        Array.Copy(data, 0, temp, 0, read);
+                        data = temp;
+#endif
                     }
                     catch
                     {
@@ -115,7 +108,7 @@ namespace BinaryObjectScanner.Packer
                     }
                 }
 
-                // Otherwise, LZ is used via the Windows API
+                // Otherwise, LZ is used
                 else
                 {
                     try

BinaryObjectScanner/Packer/EXEStealth.cs

@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using System.IO;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Matching;
 using SabreTools.Serialization.Wrappers;
@@ -10,14 +9,10 @@ namespace BinaryObjectScanner.Packer
     // TODO: Detect 3.15 and up (maybe looking for `Metamorphism`)
     // TODO: Add extraction
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class EXEStealth : IContentCheck, IExtractable, IPortableExecutableCheck
+    public class EXEStealth : IContentCheck, IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckContents(string file, byte[] fileContent, bool includeDebug)
-#else
         public string? CheckContents(string file, byte[] fileContent, bool includeDebug)
-#endif
         {
             // TODO: Obtain a sample to find where this string is in a typical executable
             if (includeDebug)
@@ -25,7 +20,7 @@ namespace BinaryObjectScanner.Packer
                 var contentMatchSets = new List<ContentMatchSet>
                  {
                      // ??[[__[[_ + (char)0x00 + {{ + (char)0x0 + (char)0x00 + {{ + (char)0x00 + (char)0x00 + (char)0x00 + (char)0x00 + (char)0x0 + (char)0x00 + (char)0x00 + (char)0x00 + (char)0x00 + ?;??;??
-                     new ContentMatchSet(new byte?[]
+                     new(new byte?[]
                      {
                          0x3F, 0x3F, 0x5B, 0x5B, 0x5F, 0x5F, 0x5B, 0x5B,
                          0x5F, 0x00, 0x7B, 0x7B, 0x00, 0x00, 0x7B, 0x7B,
@@ -42,11 +37,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -83,27 +74,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/EmbeddedExecutable.cs

@@ -11,14 +11,10 @@ namespace BinaryObjectScanner.Packer
     /// Though not technically a packer, this detection is for any executables that include
     /// others in their resources in some uncompressed manner to be used at runtime.
     /// </summary>
-    public class EmbeddedExecutable : IExtractable, IPortableExecutableCheck
+    public class EmbeddedExecutable : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -33,33 +29,12 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             try
             {
-                // Parse into an executable again for easier extraction
-                var pex = PortableExecutable.Create(stream);
-                if (pex?.ResourceData == null)
+                // If there are no resources
+                if (pex.ResourceData == null)
                     return null;
 
                 // Get the resources that have an executable signature
@@ -86,11 +61,8 @@ namespace BinaryObjectScanner.Packer
                         tempFile = Path.Combine(tempPath, tempFile);
 
                         // Write the resource data to a temp file
-                        using (var tempStream = File.Open(tempFile, FileMode.Create, FileAccess.Write, FileShare.ReadWrite))
-                        {
-                            if (tempStream != null)
-                                tempStream.Write(data, 0, data.Length);
-                        }
+                        using var tempStream = File.Open(tempFile, FileMode.Create, FileAccess.Write, FileShare.ReadWrite);
+                        tempStream?.Write(data, 0, data.Length);
                     }
                     catch (Exception ex)
                     {

BinaryObjectScanner/Packer/GenteeInstaller.cs

@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
@@ -8,14 +6,10 @@ namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class GenteeInstaller : IExtractable, IPortableExecutableCheck
+    public class GenteeInstaller : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -37,27 +31,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/HyperTechCrackProof.cs

@@ -1,5 +1,4 @@
-using System.IO;
-using System.Linq;
+using System.Linq;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
 
@@ -10,14 +9,10 @@ namespace BinaryObjectScanner.Packer
     // https://www.reddit.com/r/riseofincarnates/comments/m3vbnm/subreddit_revival_does_anyone_still_have_rise_of/
     // https://steamcommunity.com/app/310950/discussions/0/4224890554455490819/
     // https://github.com/horsicq/Detect-It-Easy/blob/63a1aa8bb23ca02d8a7fd5936db8dbc5c5d52dea/db/PE/HyperTech%20Crackproof.2.sg
-    public class HyperTechCrackProof : IExtractable, IPortableExecutableCheck
+    public class HyperTechCrackProof : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -36,27 +31,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/InnoSetup.cs

@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Matching;
@@ -9,20 +8,16 @@ namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction - https://github.com/dscharrer/InnoExtract
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class InnoSetup : IExtractable, INewExecutableCheck, IPortableExecutableCheck
+    public class InnoSetup : IExtractablePortableExecutable, INewExecutableCheck, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckNewExecutable(string file, NewExecutable nex, bool includeDebug)
-#else
         public string? CheckNewExecutable(string file, NewExecutable nex, bool includeDebug)
-#endif
         {
             // Check for "Inno" in the reserved words
             if (nex.Model.Stub?.Header?.Reserved2?[4] == 0x6E49 && nex.Model.Stub?.Header?.Reserved2?[5] == 0x6F6E)
             {
                 string version = GetOldVersion(file, nex);
-                if (!string.IsNullOrWhiteSpace(version))
+                if (!string.IsNullOrEmpty(version))
                     return $"Inno Setup {version}";
                 
                 return "Inno Setup (Unknown Version)";
@@ -32,11 +27,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -62,27 +53,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }
@@ -101,7 +72,7 @@ namespace BinaryObjectScanner.Packer
                 var matchers = new List<ContentMatchSet>
                 {
                     // "rDlPtS02" + (char)0x87 + "eVx"
-                    new ContentMatchSet(new byte?[] { 0x72, 0x44, 0x6C, 0x50, 0x74, 0x53, 0x30, 0x32, 0x87, 0x65, 0x56, 0x78 }, "1.2.16 or earlier"),
+                    new(new byte?[] { 0x72, 0x44, 0x6C, 0x50, 0x74, 0x53, 0x30, 0x32, 0x87, 0x65, 0x56, 0x78 }, "1.2.16 or earlier"),
                 };
 
                 return MatchUtil.GetFirstMatch(file, data, matchers, false) ?? "Unknown 1.X";

BinaryObjectScanner/Packer/InstallAnywhere.cs

@@ -1,5 +1,4 @@
 using System;
-using System.IO;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
 
@@ -7,14 +6,10 @@ namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction, which may be possible with the current libraries but needs to be investigated further.
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class InstallAnywhere : IExtractable, IPortableExecutableCheck
+    public class InstallAnywhere : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -33,27 +28,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }
@@ -63,7 +38,7 @@ namespace BinaryObjectScanner.Packer
             // Check the internal versions
             var version = pex.GetInternalVersion();
             if (!string.IsNullOrEmpty(version))
-                return version;
+                return version!;
 
             return "(Unknown Version)";
         }

BinaryObjectScanner/Packer/InstallerVISE.cs

@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
@@ -8,15 +6,11 @@ namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction - https://github.com/Bioruebe/UniExtract2
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class InstallerVISE : IExtractable, IPortableExecutableCheck
+    public class InstallerVISE : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         //TODO: Add exact version detection for Windows builds, make sure versions before 3.X are detected as well, and detect the Mac builds.
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -35,27 +29,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/IntelInstallationFramework.cs

@@ -1,19 +1,14 @@
 using System;
-using System.IO;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
 
 namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction, seems to primarily use MSZip compression.
-    public class IntelInstallationFramework : IExtractable, IPortableExecutableCheck
+    public class IntelInstallationFramework : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -38,27 +33,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/MicrosoftCABSFX.cs

@@ -1,5 +1,4 @@
 using System;
-using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
@@ -8,14 +7,10 @@ namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction, which should be possible with LibMSPackN, but it refuses to extract due to SFX files lacking the typical CAB identifiers.
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class MicrosoftCABSFX : IExtractable, IPortableExecutableCheck
+    public class MicrosoftCABSFX : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -52,36 +47,16 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }
-    
+
         private string GetVersion(PortableExecutable pex)
         {
             // Check the internal versions
             var version = pex.GetInternalVersion();
-            if (!string.IsNullOrWhiteSpace(version))
+            if (!string.IsNullOrEmpty(version))
                 return $"v{version}";
 
             return string.Empty;

BinaryObjectScanner/Packer/NSIS.cs

@@ -1,5 +1,3 @@
-using System.Collections.Generic;
-using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
@@ -7,14 +5,10 @@ using SabreTools.Serialization.Wrappers;
 namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction
-    public class NSIS : IExtractable, IPortableExecutableCheck
+    public class NSIS : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -22,7 +16,7 @@ namespace BinaryObjectScanner.Packer
                 return null;
 
             var description = pex.AssemblyDescription;
-            if (!string.IsNullOrWhiteSpace(description) && description.StartsWith("Nullsoft Install System"))
+            if (!string.IsNullOrEmpty(description) && description!.StartsWith("Nullsoft Install System"))
                 return $"NSIS {description.Substring("Nullsoft Install System".Length).Trim()}";
 
             // Get the .data/DATA section strings, if they exist
@@ -37,27 +31,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/NeoLite.cs

@@ -14,15 +14,11 @@ namespace BinaryObjectScanner.Packer
     /// PEiD scanning definitions that include NeoLite: https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
     /// Website listing various packers, including NeoLite: http://protools.narod.ru/packers.htm
     /// </summary>
-    public class NeoLite : IExtractable, IPortableExecutableCheck
+    public class NeoLite : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         // TODO: Find samples of NeoLite 1.X.
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -41,28 +37,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            // TODO: Add extraction
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/PECompact.cs

@@ -1,19 +1,14 @@
-using System.IO;
-using BinaryObjectScanner.Interfaces;
+using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
 
 namespace BinaryObjectScanner.Packer
 {
     // TODO: Better version detection - https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
     // TODO: Add extraction
-    public class PECompact : IExtractable, IPortableExecutableCheck
+    public class PECompact : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -46,27 +41,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/Petite.cs

@@ -1,19 +1,14 @@
-using System.IO;
-using BinaryObjectScanner.Interfaces;
+using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
 
 namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class PEtite : IExtractable, IPortableExecutableCheck
+    public class PEtite : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -29,27 +24,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/SetupFactory.cs

@@ -1,5 +1,4 @@
 using System;
-using System.IO;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
 
@@ -8,14 +7,10 @@ namespace BinaryObjectScanner.Packer
     // TODO: Add extraction, which is possible but the only tools available that can
     // do this seem to be Universal Extractor 2 and InstallExplorer (https://totalcmd.net/plugring/InstallExplorer.html)
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class SetupFactory : IExtractable, IPortableExecutableCheck
+    public class SetupFactory : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -43,42 +38,22 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }
-    
+
         private string GetVersion(PortableExecutable pex)
         {
             // Check the product version explicitly
             var version = pex.ProductVersion;
             if (!string.IsNullOrEmpty(version))
-                return version;
+                return version!;
 
             // Check the internal versions
             version = pex.GetInternalVersion();
             if (!string.IsNullOrEmpty(version))
-                return version;
+                return version!;
 
             return "(Unknown Version)";
         }

BinaryObjectScanner/Packer/SevenZipSFX.cs

@@ -1,4 +1,3 @@
-using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
@@ -6,14 +5,10 @@ using SabreTools.Serialization.Wrappers;
 namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction
-    public class SevenZipSFX : IExtractable, IPortableExecutableCheck
+    public class SevenZipSFX : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -50,27 +45,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/Shrinker.cs

@@ -1,4 +1,3 @@
-using System.IO;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
 
@@ -6,14 +5,10 @@ namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class Shrinker : IExtractable, IPortableExecutableCheck
+    public class Shrinker : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -30,27 +25,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/UPX.cs

@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using System.IO;
 using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
@@ -10,18 +9,14 @@ namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class UPX : IExtractable, IPortableExecutableCheck
+    public class UPX : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         private static readonly Regex _oldUpxVersionMatch = new Regex(@"\$Id: UPX (.*?) Copyright \(C\)", RegexOptions.Compiled);
 
         private static readonly Regex _upxVersionMatch = new Regex(@"^([0-9]\.[0-9]{2})$", RegexOptions.Compiled);
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -68,27 +63,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Packer/WinRARSFX.cs

@@ -3,20 +3,18 @@ using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
+#if NET462_OR_GREATER || NETCOREAPP
 using SharpCompress.Archives;
 using SharpCompress.Archives.Rar;
 using SharpCompress.Readers;
+#endif
 
 namespace BinaryObjectScanner.Packer
 {
-    public class WinRARSFX : IExtractable, IPortableExecutableCheck
+    public class WinRARSFX : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -35,28 +33,9 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
+#if NET462_OR_GREATER || NETCOREAPP
             try
             {
                 // Should be using stream instead of file, but stream fails to extract anything. My guess is that the executable portion of the archive is causing stream to fail, but not file.
@@ -72,10 +51,14 @@ namespace BinaryObjectScanner.Packer
                     {
                         try
                         {
-                            // If we have a directory, skip it
+                            // If the entry is a directory
                             if (entry.IsDirectory)
                                 continue;
 
+                            // If the entry has an invalid key
+                            if (entry.Key == null)
+                                continue;
+
                             string tempFile = Path.Combine(tempPath, entry.Key);
                             entry.WriteToFile(tempFile);
                         }
@@ -93,6 +76,9 @@ namespace BinaryObjectScanner.Packer
                 if (includeDebug) Console.WriteLine(ex);
                 return null;
             }
+#else
+            return null;
+#endif
         }
     }
 }

BinaryObjectScanner/Packer/WinZipSFX.cs

@@ -4,19 +4,17 @@ using System.Linq;
 using System.Text;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
+#if NET462_OR_GREATER || NETCOREAPP
 using SharpCompress.Archives;
 using SharpCompress.Archives.Zip;
+#endif
 
 namespace BinaryObjectScanner.Packer
 {
-    public class WinZipSFX : IExtractable, INewExecutableCheck, IPortableExecutableCheck
+    public class WinZipSFX : IExtractableNewExecutable, IExtractablePortableExecutable, INewExecutableCheck, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckNewExecutable(string file, NewExecutable nex, bool includeDebug)
-#else
         public string? CheckNewExecutable(string file, NewExecutable nex, bool includeDebug)
-#endif
         {
             // If the resident-name table doesnt exist
             if (nex.Model.ResidentNameTable == null)
@@ -33,18 +31,14 @@ namespace BinaryObjectScanner.Packer
 
             // Try to get a known version
             var version = GetNEHeaderVersion(nex);
-            if (!string.IsNullOrWhiteSpace(version))
+            if (!string.IsNullOrEmpty(version))
                 return $"WinZip SFX {version}";
 
             return $"WinZip SFX Unknown Version (16-bit)";
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -55,7 +49,7 @@ namespace BinaryObjectScanner.Packer
             if (pex.Model.ExportTable?.ExportDirectoryTable != null)
             {
                 var version = GetPEExportDirectoryVersion(pex);
-                if (!string.IsNullOrWhiteSpace(version))
+                if (!string.IsNullOrEmpty(version))
                     return $"WinZip SFX {version}";
             }
 
@@ -69,48 +63,48 @@ namespace BinaryObjectScanner.Packer
         // TODO: Find a way to generically detect 2.X versions and improve exact version detection for SFX PE versions bundled with WinZip 11+
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
+        public string? Extract(string file, NewExecutable nex, bool includeDebug)
+            => Extract(file, includeDebug);
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
+            => Extract(file, includeDebug);
+
+        /// <summary>
+        /// Handle common extraction between executable types
+        /// </summary>
+        /// <inheritdoc/>
+        public static string? Extract(string file, bool includeDebug)
         {
+#if NET462_OR_GREATER || NETCOREAPP
             try
             {
-                // Should be using stream instead of file, but stream fails to extract anything. My guess is that the executable portion of the archive is causing stream to fail, but not file.
+                // Create a temp output directory
+                string tempPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
+                Directory.CreateDirectory(tempPath);
+
                 using (ZipArchive zipFile = ZipArchive.Open(file))
                 {
-                    if (!zipFile.IsComplete)
-                        return null;
-
-                    string tempPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
-                    Directory.CreateDirectory(tempPath);
-
                     foreach (var entry in zipFile.Entries)
                     {
                         try
                         {
-                            // If we have a directory, skip it
+                            // If the entry is a directory
                             if (entry.IsDirectory)
                                 continue;
 
+                            // If the entry has an invalid key
+                            if (entry.Key == null)
+                                continue;
+
+                            // If we have a partial entry due to an incomplete multi-part archive, skip it
+                            if (!entry.IsComplete)
+                                continue;
+
                             string tempFile = Path.Combine(tempPath, entry.Key);
+                            var directoryName = Path.GetDirectoryName(tempFile);
+                            if (directoryName != null && !Directory.Exists(directoryName))
+                                Directory.CreateDirectory(directoryName);
                             entry.WriteToFile(tempFile);
                         }
                         catch (Exception ex)
@@ -118,15 +112,18 @@ namespace BinaryObjectScanner.Packer
                             if (includeDebug) Console.WriteLine(ex);
                         }
                     }
-
-                    return tempPath;
                 }
+
+                return tempPath;
             }
             catch (Exception ex)
             {
                 if (includeDebug) Console.WriteLine(ex);
                 return null;
             }
+#else
+            return null;
+#endif
         }
 
         /// <summary>
@@ -134,11 +131,7 @@ namespace BinaryObjectScanner.Packer
         /// </summary>
         /// TODO: Reduce the checks to only the ones that differ between versions
         /// TODO: Research to see if the versions are embedded elsewhere in these files
-#if NET48
-        private string GetNEHeaderVersion(NewExecutable nex)
-#else
-        private string? GetNEHeaderVersion(NewExecutable nex)
-#endif
+        private static string? GetNEHeaderVersion(NewExecutable nex)
         {
             #region 2.0 Variants
 
@@ -696,11 +689,7 @@ namespace BinaryObjectScanner.Packer
         /// Get the version from the PE export directory table value combinations
         /// </summary>
         /// TODO: Research to see if the versions are embedded elsewhere in these files
-#if NET48
-        private string GetPEExportDirectoryVersion(PortableExecutable pex)
-#else
-        private string? GetPEExportDirectoryVersion(PortableExecutable pex)
-#endif
+        private static string? GetPEExportDirectoryVersion(PortableExecutable pex)
         {
             string sfxFileName = pex.Model.ExportTable?.ExportDirectoryTable?.Name ?? string.Empty;
             uint sfxTimeDateStamp = pex.Model.ExportTable?.ExportDirectoryTable?.TimeDateStamp ?? uint.MaxValue;
@@ -711,37 +700,23 @@ namespace BinaryObjectScanner.Packer
                 || sfxFileName == "WZIPSE32.exe" || sfxFileName == "SI32LPG.SFX"
                 || sfxFileName == "ST32E.WZE")
             {
-                switch (sfxTimeDateStamp)
+                return sfxTimeDateStamp switch
                 {
-                    case 842636344:
-                        return "2.0 (32-bit)";
-                    case 865370756:
-                        return "2.1 RC2 (32-bit)";
-                    case 869059925:
-                        return "2.1 (32-bit)";
-                    case 979049321:
-                        return "2.2.4003";
-                    case 1149714685:
-                        return "3.0.7158";
-                    case 1185211734:
-                        return "3.1.7556";
-                    case 1185211920:
-                        return "3.1.7556";
-                    case 1235490556:
-                        return "4.0.8421";
-                    case 1235490757:
-                        return "4.0.8421";
-                    case 1235490687:
-                        return "4.0.8421"; // 3.1.8421.0, SI32LPG?
-                    case 1257193383:
-                        return "4.0.8672"; // 3.1.8672.0
-                    case 1257193543:
-                        return "4.0.8672";
-                    case 1470410848:
-                        return "4.0.12218"; // 4.0.1221.0
-                    default:
-                        return $"{assemblyVersion} (32-bit)";
-                }
+                    842636344 => "2.0 (32-bit)",
+                    865370756 => "2.1 RC2 (32-bit)",
+                    869059925 => "2.1 (32-bit)",
+                    979049321 => "2.2.4003",
+                    1149714685 => "3.0.7158",
+                    1185211734 => "3.1.7556",
+                    1185211920 => "3.1.7556",
+                    1235490556 => "4.0.8421",
+                    1235490757 => "4.0.8421",
+                    1235490687 => "4.0.8421",// 3.1.8421.0, SI32LPG?
+                    1257193383 => "4.0.8672",// 3.1.8672.0
+                    1257193543 => "4.0.8672",
+                    1470410848 => "4.0.12218",// 4.0.1221.0
+                    _ => $"{assemblyVersion} (32-bit)",
+                };
             }
 
             // Personal Edition
@@ -749,152 +724,90 @@ namespace BinaryObjectScanner.Packer
                 || sfxFileName == "wzsepe32.exe" || sfxFileName == "SI32PE.SFX"
                 || sfxFileName == "SI32LPE.SFX")
             {
-                switch (sfxTimeDateStamp)
+                return sfxTimeDateStamp switch
                 {
-                    case 845061601:
-                        return "Personal Edition (32-bit)"; // TODO: Find version
-                    case 868303343:
-                        return "Personal Edition (32-bit)"; // TODO: Find version
-                    case 868304170:
-                        return "Personal Edition (32-bit)"; // TODO: Find version
-                    case 906039079:
-                        return "Personal Edition 2.2.1260 (32-bit)";
-                    case 906040543:
-                        return "Personal Edition 2.2.1260 (32-bit)";
-                    case 908628435:
-                        return "Personal Edition 2.2.1285 (32-bit)";
-                    case 908628785:
-                        return "Personal Edition 2.2.1285 (32-bit)";
-                    case 956165981:
-                        return "Personal Edition 2.2.3063";
-                    case 956166038:
-                        return "Personal Edition 2.2.3063";
-                    case 1006353695:
-                        return "Personal Edition 2.2.4325";
-                    case 1006353714:
-                        return "Personal Edition 2.2.4325"; // 8.1.0.0
-                    case 1076515698:
-                        return "Personal Edition 2.2.6028";
-                    case 1076515784:
-                        return "Personal Edition 2.2.6028"; // 9.0.6028.0
-                    case 1092688561:
-                        return "Personal Edition 2.2.6224";
-                    case 1092688645:
-                        return "Personal Edition 2.2.6224"; // 9.0.6224.0
-                    case 1125074095:
-                        return "Personal Edition 2.2.6604";
-                    case 1125074162:
-                        return "Personal Edition 2.2.6604"; // 10.0.6604.0
-                    case 1130153399:
-                        return "Personal Edition 2.2.6663";
-                    case 1130153428:
-                        return "Personal Edition 2.2.6663"; // 10.0.6663.0
-                    case 1149714176:
-                        return "Personal Edition 3.0.7158";
-                    case 1163137967:
-                        return "Personal Edition 3.0.7305";
-                    case 1163137994:
-                        return "Personal Edition 3.0.7313"; // 11.0.7313.0
-                    case 1176345383:
-                        return "Personal Edition 3.0.7452";
-                    case 1176345423:
-                        return "Personal Edition 3.1.7466"; // 11.1.7466.0
-                    case 1184106698:
-                        return "Personal Edition 3.1.7556";
-                    case 1207280880:
-                        return "Personal Edition 4.0.8060"; // 2.3.7382.0
-                    case 1207280892:
-                        return "Personal Edition 4.0.8094"; // 11.2.8094.0
-                    case 1220904506:
-                        return "Personal Edition 4.0.8213"; // 2.3.7382.0
-                    case 1220904518:
-                        return "Personal Edition 4.0.8252"; // 12.0.8252.0
-                    case 1235490648:
-                        return "Personal Edition 4.0.8421"; // 3.1.8421.0
-                    case 1242049399:
-                        return "Personal Edition 4.0.8497"; // 12.1.8497.0
-                    case 1257193469:
-                        return "Personal Edition 4.0.8672"; // 3.1.8672.0, SI32LPE?
-                    default:
-                        return $"Personal Edition {assemblyVersion} (32-bit)";
-                }
+                    845061601 => "Personal Edition (32-bit)",// TODO: Find version
+                    868303343 => "Personal Edition (32-bit)",// TODO: Find version
+                    868304170 => "Personal Edition (32-bit)",// TODO: Find version
+                    906039079 => "Personal Edition 2.2.1260 (32-bit)",
+                    906040543 => "Personal Edition 2.2.1260 (32-bit)",
+                    908628435 => "Personal Edition 2.2.1285 (32-bit)",
+                    908628785 => "Personal Edition 2.2.1285 (32-bit)",
+                    956165981 => "Personal Edition 2.2.3063",
+                    956166038 => "Personal Edition 2.2.3063",
+                    1006353695 => "Personal Edition 2.2.4325",
+                    1006353714 => "Personal Edition 2.2.4325",// 8.1.0.0
+                    1076515698 => "Personal Edition 2.2.6028",
+                    1076515784 => "Personal Edition 2.2.6028",// 9.0.6028.0
+                    1092688561 => "Personal Edition 2.2.6224",
+                    1092688645 => "Personal Edition 2.2.6224",// 9.0.6224.0
+                    1125074095 => "Personal Edition 2.2.6604",
+                    1125074162 => "Personal Edition 2.2.6604",// 10.0.6604.0
+                    1130153399 => "Personal Edition 2.2.6663",
+                    1130153428 => "Personal Edition 2.2.6663",// 10.0.6663.0
+                    1149714176 => "Personal Edition 3.0.7158",
+                    1163137967 => "Personal Edition 3.0.7305",
+                    1163137994 => "Personal Edition 3.0.7313",// 11.0.7313.0
+                    1176345383 => "Personal Edition 3.0.7452",
+                    1176345423 => "Personal Edition 3.1.7466",// 11.1.7466.0
+                    1184106698 => "Personal Edition 3.1.7556",
+                    1207280880 => "Personal Edition 4.0.8060",// 2.3.7382.0
+                    1207280892 => "Personal Edition 4.0.8094",// 11.2.8094.0
+                    1220904506 => "Personal Edition 4.0.8213",// 2.3.7382.0
+                    1220904518 => "Personal Edition 4.0.8252",// 12.0.8252.0
+                    1235490648 => "Personal Edition 4.0.8421",// 3.1.8421.0
+                    1242049399 => "Personal Edition 4.0.8497",// 12.1.8497.0
+                    1257193469 => "Personal Edition 4.0.8672",// 3.1.8672.0, SI32LPE?
+                    _ => $"Personal Edition {assemblyVersion} (32-bit)",
+                };
             }
 
             // Software Installation
             else if (sfxFileName == "VW95SRE.SFX" || sfxFileName == "SI32E.SFX"
                 || sfxFileName == "SI32E.WZE")
             {
-                switch (sfxTimeDateStamp)
+                return sfxTimeDateStamp switch
                 {
-                    case 842636381:
-                        return "Software Installation 2.0 (32-bit)";
-                    case 865370800:
-                        return "Software Installation 2.1 RC2 (32-bit)";
-                    case 869059963:
-                        return "Software Installation 2.1 (32-bit)";
-                    case 893107697:
-                        return "Software Installation 2.2.1110 (32-bit)";
-                    case 952007369:
-                        return "Software Installation 2.2.3063";
-                    case 1006352634:
-                        return "Software Installation 2.2.4325"; // +Personal Edition?
-                    case 979049345:
-                        return "Software Installation 2.2.4403";
-                    case 1026227373:
-                        return "Software Installation 2.2.5196"; // +Personal Edition?
-                    case 1090582390:
-                        return "Software Installation 2.2.6202"; // +Personal Edition?
-                    case 1149714757:
-                        return "Software Installation 3.0.7158";
-                    case 1154357628:
-                        return "Software Installation 3.0.7212";
-                    case 1175234637:
-                        return "Software Installation 3.0.7454";
-                    case 1185211802:
-                        return "Software Installation 3.1.7556";
-                    case 1470410906:
-                        return "Software Installation 4.0.12218"; // 4.0.1221.0
-                    default:
-                        return $"Software Installation {assemblyVersion} (32-bit)";
-                }
+                    842636381 => "Software Installation 2.0 (32-bit)",
+                    865370800 => "Software Installation 2.1 RC2 (32-bit)",
+                    869059963 => "Software Installation 2.1 (32-bit)",
+                    893107697 => "Software Installation 2.2.1110 (32-bit)",
+                    952007369 => "Software Installation 2.2.3063",
+                    1006352634 => "Software Installation 2.2.4325",// +Personal Edition?
+                    979049345 => "Software Installation 2.2.4403",
+                    1026227373 => "Software Installation 2.2.5196",// +Personal Edition?
+                    1090582390 => "Software Installation 2.2.6202",// +Personal Edition?
+                    1149714757 => "Software Installation 3.0.7158",
+                    1154357628 => "Software Installation 3.0.7212",
+                    1175234637 => "Software Installation 3.0.7454",
+                    1185211802 => "Software Installation 3.1.7556",
+                    1470410906 => "Software Installation 4.0.12218",// 4.0.1221.0
+                    _ => $"Software Installation {assemblyVersion} (32-bit)",
+                };
             }
 
-            switch (sfxFileName)
+            return sfxFileName switch
             {
                 // Standard
-                case "VW95SE.SFX":
-                    return "Unknown Version (32-bit)"; // TODO: Find starting version
-                case "ST32E.SFX":
-                    return "Unknown Version (32-bit)"; // TODO: Find starting version
-                case "WZIPSE32.exe":
-                    return "Unknown Version (32-bit)"; // TODO: Find starting version
-                case "SI32LPG.SFX":
-                    return "Unknown Version (32-bit)"; // TODO: Find starting version
-                case "ST32E.WZE":
-                    return "Unknown Version (32-bit)"; // TODO: Find starting version
-
+                "VW95SE.SFX" => "Unknown Version (32-bit)",// TODO: Find starting version
+                "ST32E.SFX" => "Unknown Version (32-bit)",// TODO: Find starting version
+                "WZIPSE32.exe" => "Unknown Version (32-bit)",// TODO: Find starting version
+                "SI32LPG.SFX" => "Unknown Version (32-bit)",// TODO: Find starting version
+                "ST32E.WZE" => "Unknown Version (32-bit)",// TODO: Find starting version
+                                                          
                 // Personal Edition
-                case "VW95LE.SFX":
-                    return "Unknown Version before Personal Edition Build 1285 (32-bit)";
-                case "PE32E.SFX":
-                    return "Unknown Version after Personal Edition Build 1285 (32-bit)";
-                case "wzsepe32.exe":
-                    return "Unknown Version Personal Edition (32-bit)"; // TODO: Find starting version
-                case "SI32PE.SFX":
-                    return "Unknown Version Personal Edition (32-bit)"; // TODO: Find starting version
-                case "SI32LPE.SFX":
-                    return "Unknown Version Personal Edition (32-bit)"; // TODO: Find starting version
-
+                "VW95LE.SFX" => "Unknown Version before Personal Edition Build 1285 (32-bit)",
+                "PE32E.SFX" => "Unknown Version after Personal Edition Build 1285 (32-bit)",
+                "wzsepe32.exe" => "Unknown Version Personal Edition (32-bit)",// TODO: Find starting version
+                "SI32PE.SFX" => "Unknown Version Personal Edition (32-bit)",// TODO: Find starting version
+                "SI32LPE.SFX" => "Unknown Version Personal Edition (32-bit)",// TODO: Find starting version
+                                                                             
                 // Software Installation
-                case "VW95SRE.SFX":
-                    return "Unknown Version before Software Installation 2.1 (32-bit)";
-                case "SI32E.SFX":
-                    return "Unknown Version after Software Installation 2.1 (32-bit)";
-                case "SI32E.WZE":
-                    return "Unknown Version Software Installation (32-bit)"; // TODO: Find starting version
-            }
-
-            return null;
+                "VW95SRE.SFX" => "Unknown Version before Software Installation 2.1 (32-bit)",
+                "SI32E.SFX" => "Unknown Version after Software Installation 2.1 (32-bit)",
+                "SI32E.WZE" => "Unknown Version Software Installation (32-bit)",// TODO: Find starting version
+                _ => null,
+            };
         }
     }
 }

BinaryObjectScanner/Packer/WiseInstaller.cs

@@ -3,22 +3,19 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
-using SabreTools.IO;
+using SabreTools.IO.Extensions;
 using SabreTools.Matching;
 using SabreTools.Serialization.Wrappers;
-using Wise = WiseUnpacker.WiseUnpacker;
+using WiseUnpacker;
+using WiseUnpacker.EWISE;
 
 namespace BinaryObjectScanner.Packer
 {
     // https://raw.githubusercontent.com/wolfram77web/app-peid/master/userdb.txt
-    public class WiseInstaller : IExtractable, INewExecutableCheck, IPortableExecutableCheck
+    public class WiseInstaller : IExtractableNewExecutable, IExtractablePortableExecutable, INewExecutableCheck, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckNewExecutable(string file, NewExecutable nex, bool includeDebug)
-#else
         public string? CheckNewExecutable(string file, NewExecutable nex, bool includeDebug)
-#endif
         {
             // If we match a known header
             if (MatchesNEVersion(nex) != null)
@@ -34,21 +31,17 @@ namespace BinaryObjectScanner.Packer
             var neMatchSets = new List<ContentMatchSet>
             {
                 // WiseInst
-                new ContentMatchSet(new byte?[] { 0x57, 0x69, 0x73, 0x65, 0x49, 0x6E, 0x73, 0x74 }, "Wise Installation Wizard Module"),
+                new(new byte?[] { 0x57, 0x69, 0x73, 0x65, 0x49, 0x6E, 0x73, 0x74 }, "Wise Installation Wizard Module"),
 
                 // WiseMain
-                new ContentMatchSet(new byte?[] { 0x57, 0x69, 0x73, 0x65, 0x4D, 0x61, 0x69, 0x6E }, "Wise Installation Wizard Module"),
+                new(new byte?[] { 0x57, 0x69, 0x73, 0x65, 0x4D, 0x61, 0x69, 0x6E }, "Wise Installation Wizard Module"),
             };
 
             return MatchUtil.GetFirstMatch(file, data, neMatchSets, includeDebug);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -81,41 +74,138 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
+        public string? Extract(string file, NewExecutable nex, bool includeDebug)
         {
-            if (!File.Exists(file))
-                return null;
+            string tempPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
+            Directory.CreateDirectory(tempPath);
 
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
+            try
             {
-                return Extract(fs, file, includeDebug);
+                // TODO: Try to find where the file data lives and how to get it
+                if (!Extractor.ExtractTo(file, tempPath))
+                {
+                    try
+                    {
+                        Directory.Delete(tempPath, true);
+                    }
+                    catch (Exception ex)
+                    {
+                        if (includeDebug) Console.WriteLine(ex);
+                    }
+
+                    return null;
+                }
             }
+            catch (Exception ex)
+            {
+                if (includeDebug) Console.WriteLine(ex);
+                return null;
+            }
+
+            return tempPath;
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             try
             {
-                // Try to parse as a New Executable
-                var nex = NewExecutable.Create(stream);
-                if (nex != null)
-                    return ExtractNewExecutable(nex, file, includeDebug);
+                // Get the matching PE format
+                var format = GetPEFormat(pex);
+                if (format == null)
+                    return null;
 
-                // Try to parse as a Portable Executable
-                var pex = PortableExecutable.Create(stream);
-                if (pex != null)
-                    return ExtractPortableExecutable(pex, file, includeDebug);
+                // Get the overlay data for easier reading
+                int overlayOffset = 0, dataStart = 0;
+                var overlayData = pex.OverlayData;
+                if (overlayData == null)
+                    return null;
 
-                return null;
+                // Skip over the additional DLL name, if we expect it
+                if (format.Dll)
+                {
+                    // Read the name length
+                    byte dllNameLength = overlayData.ReadByte(ref overlayOffset);
+                    dataStart++;
+
+                    // Read the name, if it exists
+                    if (dllNameLength != 0)
+                    {
+                        // Ignore the name for now
+                        _ = overlayData.ReadBytes(ref overlayOffset, dllNameLength);
+                        dataStart += dllNameLength;
+
+                        // Named DLLs also have a DLL length that we ignore
+                        _ = overlayData.ReadUInt32(ref overlayOffset);
+                        dataStart += 4;
+                    }
+                }
+
+                // Check if flags are consistent
+                if (!format.NoCrc)
+                {
+                    // Unlike WiseUnpacker, we ignore the flag value here
+                    _ = overlayData.ReadUInt32(ref overlayOffset);
+                }
+
+                // Ensure that we have an archive end
+                if (format.ArchiveEnd > 0)
+                {
+                    overlayOffset = (int)(dataStart + format.ArchiveEnd);
+                    int archiveEndLoaded = overlayData.ReadInt32(ref overlayOffset);
+                    if (archiveEndLoaded != 0)
+                        format.ArchiveEnd = archiveEndLoaded;
+                }
+
+                // Skip to the start of the archive
+                overlayOffset = (int)(dataStart + format.ArchiveStart);
+
+                // Skip over the initialization text, if we expect it
+                if (format.InitText)
+                {
+                    int initTextLength = overlayData.ReadByte(ref overlayOffset);
+                    _ = overlayData.ReadBytes(ref overlayOffset, initTextLength);
+                }
+
+                // Cache the current offset in the overlay as the "start of data"
+                int offsetReal = overlayOffset;
+
+                // If the first entry is PKZIP, we assume it's an embedded zipfile
+                var magic = overlayData.ReadBytes(ref overlayOffset, 4); overlayOffset -= 4;
+                bool pkzip = magic?.StartsWith(new byte?[] { (byte)'P', (byte)'K' }) ?? false;
+
+                string tempPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
+                Directory.CreateDirectory(tempPath);
+
+                // If we have PKZIP
+                if (pkzip)
+                {
+                    string tempFile = Path.Combine(tempPath, "WISEDATA.zip");
+                    using (Stream tempStream = File.Open(tempFile, FileMode.Create, FileAccess.Write, FileShare.ReadWrite))
+                    {
+                        tempStream.Write(overlayData, overlayOffset, overlayData.Length - overlayOffset);
+                    }
+                }
+
+                // If we have DEFLATE -- TODO: Port implementation here or use DeflateStream
+                else
+                {
+                    if (!Extractor.ExtractTo(file, tempPath))
+                    {
+                        try
+                        {
+                            Directory.Delete(tempPath, true);
+                        }
+                        catch (Exception ex)
+                        {
+                            if (includeDebug) Console.WriteLine(ex);
+                        }
+
+                        return null;
+                    }
+                }
+
+                return tempPath;
             }
             catch (Exception ex)
             {
@@ -129,11 +219,7 @@ namespace BinaryObjectScanner.Packer
         /// </summary>
         /// <param name="nex">New executable to check</param>
         /// <returns>True if it matches a known version, false otherwise</returns>
-#if NET48
-        private FormatProperty MatchesNEVersion(NewExecutable nex)
-#else
         private FormatProperty? MatchesNEVersion(NewExecutable nex)
-#endif
         {
             // TODO: Offset is _not_ the EXE header address, rather where the data starts. Fix this.
             switch (nex.Model.Stub?.Header?.NewExeHeaderAddr)
@@ -190,11 +276,7 @@ namespace BinaryObjectScanner.Packer
         /// </summary>
         /// <param name="pex">Portable executable to check</param>
         /// <returns>True if it matches a known version, false otherwise</returns>
-#if NET48
-        private FormatProperty GetPEFormat(PortableExecutable pex)
-#else
         private FormatProperty? GetPEFormat(PortableExecutable pex)
-#endif
         {
             if (pex.OverlayAddress == 0x6e00
                 && pex.GetFirstSection(".text")?.VirtualSize == 0x3cf4
@@ -233,210 +315,5 @@ namespace BinaryObjectScanner.Packer
 
             return null;
         }
-
-        /// <summary>
-        /// Attempt to extract Wise data from a New Executable
-        /// </summary>
-        /// <param name="nex">New executable to check</param>
-        /// <param name="file">Path to the input file</param>
-        /// <param name="includeDebug">True to include debug data, false otherwise</param>
-        /// <returns>True if it matches a known version, false otherwise</returns>
-#if NET48
-        private string ExtractNewExecutable(NewExecutable nex, string file, bool includeDebug)
-#else
-        private string? ExtractNewExecutable(NewExecutable nex, string file, bool includeDebug)
-#endif
-        {
-            string tempPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
-            Directory.CreateDirectory(tempPath);
-
-            try
-            {
-                // TODO: Try to find where the file data lives and how to get it
-                Wise unpacker = new Wise();
-                if (!unpacker.ExtractTo(file, tempPath))
-                {
-                    try
-                    {
-                        Directory.Delete(tempPath, true);
-                    }
-                    catch (Exception ex)
-                    {
-                        if (includeDebug) Console.WriteLine(ex);
-                    }
-
-                    return null;
-                }
-            }
-            catch (Exception ex)
-            {
-                if (includeDebug) Console.WriteLine(ex);
-                return null;
-            }
-
-            return tempPath;
-        }
-
-        /// <summary>
-        /// Attempt to extract Wise data from a Portable Executable
-        /// </summary>
-        /// <param name="pex">Portable executable to check</param>
-        /// <param name="file">Path to the input file</param>
-        /// <param name="includeDebug">True to include debug data, false otherwise</param>
-        /// <returns>True if it matches a known version, false otherwise</returns>
-#if NET48
-        private string ExtractPortableExecutable(PortableExecutable pex, string file, bool includeDebug)
-#else
-        private string? ExtractPortableExecutable(PortableExecutable pex, string file, bool includeDebug)
-#endif
-        {
-            try
-            {
-                // Get the matching PE format
-                var format = GetPEFormat(pex);
-                if (format == null)
-                    return null;
-
-                // Get the overlay data for easier reading
-                int overlayOffset = 0, dataStart = 0;
-                var overlayData = pex.OverlayData;
-                if (overlayData == null)
-                    return null;
-
-                // Skip over the additional DLL name, if we expect it
-                if (format.Dll)
-                {
-                    // Read the name length
-                    byte dllNameLength = overlayData.ReadByte(ref overlayOffset);
-                    dataStart++;
-
-                    // Read the name, if it exists
-                    if (dllNameLength != 0)
-                    {
-                        // Ignore the name for now
-                        _ = overlayData.ReadBytes(ref overlayOffset, dllNameLength);
-                        dataStart += dllNameLength;
-
-                        // Named DLLs also have a DLL length that we ignore
-                        _ = overlayData.ReadUInt32(ref overlayOffset);
-                        dataStart += 4;
-                    }
-                }
-
-                // Check if flags are consistent
-                if (!format.NoCrc)
-                {
-                    // Unlike WiseUnpacker, we ignore the flag value here
-                    _ = overlayData.ReadUInt32(ref overlayOffset);
-                }
-
-                // Ensure that we have an archive end
-                if (format.ArchiveEnd > 0)
-                {
-                    overlayOffset = dataStart + format.ArchiveEnd;
-                    int archiveEndLoaded = overlayData.ReadInt32(ref overlayOffset);
-                    if (archiveEndLoaded != 0)
-                        format.ArchiveEnd = archiveEndLoaded;
-                }
-
-                // Skip to the start of the archive
-                overlayOffset = dataStart + format.ArchiveStart;
-
-                // Skip over the initialization text, if we expect it
-                if (format.InitText)
-                {
-                    int initTextLength = overlayData.ReadByte(ref overlayOffset);
-                    _ = overlayData.ReadBytes(ref overlayOffset, initTextLength);
-                }
-
-                // Cache the current offset in the overlay as the "start of data"
-                int offsetReal = overlayOffset;
-
-                // If the first entry is PKZIP, we assume it's an embedded zipfile
-                var magic = overlayData.ReadBytes(ref overlayOffset, 4); overlayOffset -= 4;
-                bool pkzip = magic?.StartsWith(new byte?[] { (byte)'P', (byte)'K' }) ?? false;
-
-                string tempPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
-                Directory.CreateDirectory(tempPath);
-
-                // If we have PKZIP
-                if (pkzip)
-                {
-                    string tempFile = Path.Combine(tempPath, "WISEDATA.zip");
-                    using (Stream tempStream = File.Open(tempFile, FileMode.Create, FileAccess.Write, FileShare.ReadWrite))
-                    {
-                        tempStream.Write(overlayData, overlayOffset, overlayData.Length - overlayOffset);
-                    }
-                }
-
-                // If we have DEFLATE -- TODO: Port implementation here or use DeflateStream
-                else
-                {
-                    Wise unpacker = new Wise();
-                    if (!unpacker.ExtractTo(file, tempPath))
-                    {
-                        try
-                        {
-                            Directory.Delete(tempPath, true);
-                        }
-                        catch (Exception ex)
-                        {
-                            if (includeDebug) Console.WriteLine(ex);
-                        }
-
-                        return null;
-                    }
-                }
-
-                return tempPath;
-            }
-            catch (Exception ex)
-            {
-                if (includeDebug) Console.WriteLine(ex);
-                return null;
-            }
-        }
-
-        /// <summary>
-        /// Class representing the properties of each recognized Wise installer format
-        /// </summary>
-        /// <see href="https://github.com/mnadareski/WiseUnpacker/blob/master/WiseUnpacker/FormatProperty.cs"/>
-        private class FormatProperty
-        {
-            /// <summary>
-            /// Offset to the executable data
-            /// </summary>
-            public int ExecutableOffset { get; set; }
-
-            /// <summary>
-            /// Indicates if this format includes a DLL at the start or not
-            /// </summary>
-            public bool Dll { get; set; }
-
-            /// <summary>
-            /// Offset within the data where the archive starts
-            /// </summary>
-            public int ArchiveStart { get; set; }
-
-            /// <summary>
-            /// Position in the archive head of the archive end
-            /// </summary>
-            public int ArchiveEnd { get; set; }
-
-            /// <summary>
-            /// Format includes initialization text
-            /// </summary>
-            public bool InitText { get; set; }
-
-            /// <summary>
-            /// Position of the filename within the data
-            /// </summary>
-            public int FilenamePosition { get; set; }
-
-            /// <summary>
-            /// Format does not include a CRC
-            /// </summary>
-            public bool NoCrc { get; set; }
-        }
     }
 }

BinaryObjectScanner/Packer/_DUMMY.cs

@@ -1,7 +0,0 @@
-namespace BinaryObjectScanner.Packer
-{
-    /// <summary>
-    /// This class exists for reflection purposes and should not be used
-    /// </summary>
-    public sealed class _DUMMY { }
-}

BinaryObjectScanner/Packer/dotFuscator.cs

@@ -1,20 +1,14 @@
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
+using System.Linq;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Serialization.Wrappers;
 
 namespace BinaryObjectScanner.Packer
 {
     // TODO: Add extraction
-    public class dotFuscator : IExtractable, IPortableExecutableCheck
+    public class dotFuscator : IExtractablePortableExecutable, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -33,27 +27,7 @@ namespace BinaryObjectScanner.Packer
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string Extract(string file, bool includeDebug)
-#else
-        public string? Extract(string file, bool includeDebug)
-#endif
-        {
-            if (!File.Exists(file))
-                return null;
-
-            using (var fs = File.Open(file, FileMode.Open, FileAccess.Read, FileShare.Read))
-            {
-                return Extract(fs, file, includeDebug);
-            }
-        }
-
-        /// <inheritdoc/>
-#if NET48
-        public string Extract(Stream stream, string file, bool includeDebug)
-#else
-        public string? Extract(Stream? stream, string file, bool includeDebug)
-#endif
+        public string? Extract(string file, PortableExecutable pex, bool includeDebug)
         {
             return null;
         }

BinaryObjectScanner/Progress.cs

@@ -0,0 +1,107 @@
+#if NET20 || NET35 || NET40
+
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Threading;
+using System.Diagnostics;
+
+namespace System
+{
+    /// <summary>
+    /// Provides an IProgress{T} that invokes callbacks for each reported progress value.
+    /// </summary>
+    /// <typeparam name="T">Specifies the type of the progress report value.</typeparam>
+    /// <remarks>
+    /// Any handler provided to the constructor or event handlers registered with
+    /// the <see cref="ProgressChanged"/> event are invoked through a
+    /// <see cref="SynchronizationContext"/> instance captured
+    /// when the instance is constructed.  If there is no current SynchronizationContext
+    /// at the time of construction, the callbacks will be invoked on the ThreadPool.
+    /// </remarks>
+    /// <see href="https://github.com/dotnet/runtime/blob/main/src/libraries/System.Private.CoreLib/src/System/Progress.cs"/>
+    public class Progress<T> : IProgress<T> where T : EventArgs
+    {
+        /// <summary>The synchronization context captured upon construction.  This will never be null.</summary>
+        private readonly SynchronizationContext? _synchronizationContext;
+        /// <summary>The handler specified to the constructor.  This may be null.</summary>
+        private readonly Action<T>? _handler;
+        /// <summary>A cached delegate used to post invocation to the synchronization context.</summary>
+        private readonly SendOrPostCallback _invokeHandlers;
+
+        /// <summary>Initializes the <see cref="Progress{T}"/>.</summary>
+        public Progress()
+        {
+            // Capture the current synchronization context.
+            // If there is no current context, we use a default instance targeting the ThreadPool.
+            _synchronizationContext = SynchronizationContext.Current ?? ProgressStatics.DefaultContext;
+            Debug.Assert(_synchronizationContext != null);
+            _invokeHandlers = new SendOrPostCallback(InvokeHandlers);
+        }
+
+        /// <summary>Initializes the <see cref="Progress{T}"/> with the specified callback.</summary>
+        /// <param name="handler">
+        /// A handler to invoke for each reported progress value.  This handler will be invoked
+        /// in addition to any delegates registered with the <see cref="ProgressChanged"/> event.
+        /// Depending on the <see cref="SynchronizationContext"/> instance captured by
+        /// the <see cref="Progress{T}"/> at construction, it's possible that this handler instance
+        /// could be invoked concurrently with itself.
+        /// </param>
+        /// <exception cref="ArgumentNullException">The <paramref name="handler"/> is null (<see langword="Nothing" /> in Visual Basic).</exception>
+        public Progress(Action<T> handler) : this()
+        {
+            _handler = handler ?? throw new ArgumentNullException(nameof(handler));
+        }
+
+        /// <summary>Raised for each reported progress value.</summary>
+        /// <remarks>
+        /// Handlers registered with this event will be invoked on the
+        /// <see cref="SynchronizationContext"/> captured when the instance was constructed.
+        /// </remarks>
+        public event EventHandler<T>? ProgressChanged;
+
+        /// <summary>Reports a progress change.</summary>
+        /// <param name="value">The value of the updated progress.</param>
+        protected virtual void OnReport(T value)
+        {
+            // If there's no handler, don't bother going through the sync context.
+            // Inside the callback, we'll need to check again, in case
+            // an event handler is removed between now and then.
+            Action<T>? handler = _handler;
+            EventHandler<T>? changedEvent = ProgressChanged;
+            if (handler != null || changedEvent != null)
+            {
+                // Post the processing to the sync context.
+                // (If T is a value type, it will get boxed here.)
+                _synchronizationContext?.Post(_invokeHandlers, value);
+            }
+        }
+
+        /// <summary>Reports a progress change.</summary>
+        /// <param name="value">The value of the updated progress.</param>
+        void IProgress<T>.Report(T value) { OnReport(value); }
+
+        /// <summary>Invokes the action and event callbacks.</summary>
+        /// <param name="state">The progress value.</param>
+        private void InvokeHandlers(object? state)
+        {
+            T value = (T)state!;
+
+            Action<T>? handler = _handler;
+            EventHandler<T>? changedEvent = ProgressChanged;
+
+            handler?.Invoke(value);
+            changedEvent?.Invoke(this, value);
+        }
+    }
+
+    /// <summary>Holds static values for <see cref="Progress{T}"/>.</summary>
+    /// <remarks>This avoids one static instance per type T.</remarks>
+    internal static class ProgressStatics
+    {
+        /// <summary>A default synchronization context that targets the ThreadPool.</summary>
+        internal static readonly SynchronizationContext DefaultContext = new();
+    }
+}
+
+#endif

BinaryObjectScanner/Protection/ActiveMARK.cs

@@ -11,11 +11,7 @@ namespace BinaryObjectScanner.Protection
     public class ActiveMARK : IContentCheck, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckContents(string file, byte[] fileContent, bool includeDebug)
-#else
         public string? CheckContents(string file, byte[] fileContent, bool includeDebug)
-#endif
         {
             // TODO: Obtain a sample to find where this string is in a typical executable
             if (includeDebug)
@@ -23,7 +19,7 @@ namespace BinaryObjectScanner.Protection
                 var contentMatchSets = new List<ContentMatchSet>
                 {
                     // " " + (char)0xC2 + (char)0x16 + (char)0x00 + (char)0xA8 + (char)0xC1 + (char)0x16 + (char)0x00 + (char)0xB8 + (char)0xC1 + (char)0x16 + (char)0x00 + (char)0x86 + (char)0xC8 + (char)0x16 + (char)0x00 + (char)0x9A + (char)0xC1 + (char)0x16 + (char)0x00 + (char)0x10 + (char)0xC2 + (char)0x16 + (char)0x00
-                    new ContentMatchSet(new byte?[]
+                    new(new byte?[]
                     {
                         0x20, 0xC2, 0x16, 0x00, 0xA8, 0xC1, 0x16, 0x00,
                         0xB8, 0xC1, 0x16, 0x00, 0x86, 0xC8, 0x16, 0x00,
@@ -38,11 +34,7 @@ namespace BinaryObjectScanner.Protection
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;

BinaryObjectScanner/Protection/AegiSoft.cs

@@ -1,4 +1,6 @@
-using System.Collections.Concurrent;
+#if NET40_OR_GREATER || NETCOREAPP
+using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
@@ -20,11 +22,7 @@ namespace BinaryObjectScanner.Protection
     public class AegiSoft : IPathCheck, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -55,7 +53,7 @@ namespace BinaryObjectScanner.Protection
                 {
                     // Found in "Asc001.dll", "Asc002.dll", "Asc003.dll", "Asc005.dll", "Asc006.exe", and "AscLM.cpl" (Redump entry 73521/IA item "Nova_HoyleCasino99USA").
                     // ÿÿÿÿ\\.\ASCLM
-                    new ContentMatchSet(new byte?[]
+                    new(new byte?[]
                     {
                         0xFF, 0xFF, 0xFF, 0xFF, 0x5C, 0x5C, 0x2E, 0x5C, 
                         0x41, 0x53, 0x43, 0x4C, 0x4D
@@ -63,7 +61,7 @@ namespace BinaryObjectScanner.Protection
                 };
 
                 var match = MatchUtil.GetFirstMatch(file, dataSectionRaw, matchers, includeDebug);
-                if (!string.IsNullOrWhiteSpace(match))
+                if (!string.IsNullOrEmpty(match))
                     return match;
             }
 
@@ -71,8 +69,8 @@ namespace BinaryObjectScanner.Protection
         }
 
         /// <inheritdoc/>
-#if NET48
-        public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
+#if NET20 || NET35
+        public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #else
         public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #endif
@@ -80,30 +78,26 @@ namespace BinaryObjectScanner.Protection
             var matchers = new List<PathMatchSet>
             {
                 // Found in Redump entry 73521/IA item "Nova_HoyleCasino99USA".
-                new PathMatchSet(new PathMatch("AscLM.cpl", useEndsWith: true), "AegiSoft License Manager"),
-                new PathMatchSet(new PathMatch("AscLM.vxd", useEndsWith: true), "AegiSoft License Manager"),
-                new PathMatchSet(new PathMatch("AscLMd.vxd", useEndsWith: true), "AegiSoft License Manager"),
+                new(new FilePathMatch("AscLM.cpl"), "AegiSoft License Manager"),
+                new(new FilePathMatch("AscLM.vxd"), "AegiSoft License Manager"),
+                new(new FilePathMatch("AscLMd.vxd"), "AegiSoft License Manager"),
 
                 // There are a few other files present, but the file names on their own may be too overmatching. Due to the small sample size, it's not sure if these files are always present together.
                 // These files are "Asc001.dll", "Asc002.dll", "Asc003.dll", "Asc005.dll", and "Asc006.exe" (Found in Redump entry 73521/IA item "Nova_HoyleCasino99USA").
             };
 
-            return MatchUtil.GetAllMatches(files ?? System.Array.Empty<string>(), matchers, any: true);
+            return MatchUtil.GetAllMatches(files, matchers, any: true);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckFilePath(string path)
-#else
         public string? CheckFilePath(string path)
-#endif
         {
             var matchers = new List<PathMatchSet>
             {
                 // Found in Redump entry 73521/IA item "Nova_HoyleCasino99USA".
-                new PathMatchSet(new PathMatch("AscLM.cpl", useEndsWith: true), "AegiSoft License Manager"),
-                new PathMatchSet(new PathMatch("AscLM.vxd", useEndsWith: true), "AegiSoft License Manager"),
-                new PathMatchSet(new PathMatch("AscLMd.vxd", useEndsWith: true), "AegiSoft License Manager"),
+                new(new FilePathMatch("AscLM.cpl"), "AegiSoft License Manager"),
+                new(new FilePathMatch("AscLM.vxd"), "AegiSoft License Manager"),
+                new(new FilePathMatch("AscLMd.vxd"), "AegiSoft License Manager"),
 
                 // There are a few other files present, but the file names on their own may be too overmatching. Due to the small sample size, it's not sure if these files are always present together.
                 // These files are "Asc001.dll", "Asc002.dll", "Asc003.dll", "Asc005.dll", and "Asc006.exe" (Found in Redump entry 73521/IA item "Nova_HoyleCasino99USA").

BinaryObjectScanner/Protection/AlphaDVD.cs

@@ -1,4 +1,6 @@
-using System.Collections.Concurrent;
+#if NET40_OR_GREATER || NETCOREAPP
+using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Matching;
@@ -16,30 +18,26 @@ namespace BinaryObjectScanner.Protection
     public class AlphaDVD : IPathCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
+#if NET20 || NET35
+        public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #else
         public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #endif
         {
             var matchers = new List<PathMatchSet>
             {
-                new PathMatchSet(new PathMatch("PlayDVD.exe", useEndsWith: true), "Alpha-DVD (Unconfirmed - Please report to us on Github)"),
+                new(new FilePathMatch("PlayDVD.exe"), "Alpha-DVD (Unconfirmed - Please report to us on Github)"),
             };
 
-            return MatchUtil.GetAllMatches(files ?? System.Array.Empty<string>(), matchers, any: true);
+            return MatchUtil.GetAllMatches(files, matchers, any: true);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckFilePath(string path)
-#else
         public string? CheckFilePath(string path)
-#endif
         {
             var matchers = new List<PathMatchSet>
             {
-                new PathMatchSet(new PathMatch("PlayDVD.exe", useEndsWith: true), "Alpha-DVD (Unconfirmed - Please report to us on Github"),
+                new(new FilePathMatch("PlayDVD.exe"), "Alpha-DVD (Unconfirmed - Please report to us on Github"),
             };
 
             return MatchUtil.GetFirstMatch(path, matchers, any: true);

BinaryObjectScanner/Protection/AlphaROM.cs

@@ -44,11 +44,7 @@ namespace BinaryObjectScanner.Protection
     public class AlphaROM : IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // TODO: Add support for detecting Alpha-ROM found in older games made with the RealLive engine. 
             // TODO: Add version detection for Alpha-ROM.

BinaryObjectScanner/Protection/Bitpool.cs

@@ -1,4 +1,6 @@
-using System.Collections.Concurrent;
+#if NET40_OR_GREATER || NETCOREAPP
+using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Matching;
@@ -13,23 +15,23 @@ namespace BinaryObjectScanner.Protection
     public class Bitpool : IPathCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
+#if NET20 || NET35
+        public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #else
         public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #endif
         {
             var matchers = new List<PathMatchSet>
             {
-                new PathMatchSet(new PathMatch("bitpool.rsc", useEndsWith: true), "Bitpool"),
-                new PathMatchSet(new FilePathMatch("CD.IDX"), "Bitpool"),
+                new(new FilePathMatch("bitpool.rsc"), "Bitpool"),
+                new(new FilePathMatch("CD.IDX"), "Bitpool"),
 
                 // Completely empty file present on multiple discs with Bitpool (Redump entries 52626 and 50229).
-                new PathMatchSet(new PathMatch("LEADOUT.OFS", useEndsWith: true), "Bitpool"),
+                new(new FilePathMatch("LEADOUT.OFS"), "Bitpool"),
 
                 // A set of 4 identically sized (within the same game, not between games), corrupted/padded files present in several games (Redump entries 31782 and 35476).
                 // Both examples with only having the first letter uppercase and as the whole file name being uppercase have been seen.
-                new PathMatchSet(new List<PathMatch>
+                new(new List<PathMatch>
                 {
                     new FilePathMatch("Crc_a"),
                     new FilePathMatch("Crc_b"),
@@ -38,23 +40,19 @@ namespace BinaryObjectScanner.Protection
                 }, "Bitpool"),
             };
 
-            return MatchUtil.GetAllMatches(files ?? System.Array.Empty<string>(), matchers, any: true);
+            return MatchUtil.GetAllMatches(files, matchers, any: true);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckFilePath(string path)
-#else
         public string? CheckFilePath(string path)
-#endif
         {
             var matchers = new List<PathMatchSet>
             {
-                new PathMatchSet(new PathMatch("bitpool.rsc", useEndsWith: true), "Bitpool"),
-                new PathMatchSet(new FilePathMatch("CD.IDX"), "Bitpool"),
+                new(new FilePathMatch("bitpool.rsc"), "Bitpool"),
+                new(new FilePathMatch("CD.IDX"), "Bitpool"),
 
                 // Completely empty file present on multiple discs with Bitpool (Redump entries 52626 and 50229).
-                new PathMatchSet(new PathMatch("LEADOUT.OFS", useEndsWith: true), "Bitpool"),
+                new(new FilePathMatch("LEADOUT.OFS"), "Bitpool"),
             };
 
             return MatchUtil.GetFirstMatch(path, matchers, any: true);

BinaryObjectScanner/Protection/ByteShield.cs

@@ -1,4 +1,6 @@
-using System.Collections.Concurrent;
+#if NET40_OR_GREATER || NETCOREAPP
+using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
@@ -41,11 +43,7 @@ namespace BinaryObjectScanner.Protection
     public class ByteShield : IPortableExecutableCheck, IPathCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -134,8 +132,8 @@ namespace BinaryObjectScanner.Protection
         }
 
         /// <inheritdoc/>
-#if NET48
-        public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
+#if NET20 || NET35
+        public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #else
         public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #endif
@@ -144,26 +142,22 @@ namespace BinaryObjectScanner.Protection
             // Files with the ".bbz" extension are associated with ByteShield, but the extenstion is known to be used in other places as well.
             var matchers = new List<PathMatchSet>
             {
-                new PathMatchSet(new PathMatch("Byteshield.dll", useEndsWith: true), "ByteShield Component Module"),
-                new PathMatchSet(new PathMatch("Byteshield.ini", useEndsWith: true), "ByteShield"),
+                new(new FilePathMatch("Byteshield.dll"), "ByteShield Component Module"),
+                new(new FilePathMatch("Byteshield.ini"), "ByteShield"),
             };
 
-            return MatchUtil.GetAllMatches(files ?? System.Array.Empty<string>(), matchers, any: true);
+            return MatchUtil.GetAllMatches(files, matchers, any: true);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckFilePath(string path)
-#else
         public string? CheckFilePath(string path)
-#endif
         {
             // TODO: Investigate reference to "bbz650.tmp" in "Byteshield.dll" (Redump entry 6236)
             // Files with the ".bbz" extension are associated with ByteShield, but the extenstion is known to be used in other places as well.
             var matchers = new List<PathMatchSet>
             {
-                new PathMatchSet(new PathMatch("Byteshield.dll", useEndsWith: true), "ByteShield Component Module"),
-                new PathMatchSet(new PathMatch("Byteshield.ini", useEndsWith: true), "ByteShield"),
+                new(new FilePathMatch("Byteshield.dll"), "ByteShield Component Module"),
+                new(new FilePathMatch("Byteshield.ini"), "ByteShield"),
             };
 
             return MatchUtil.GetFirstMatch(path, matchers, any: true);

BinaryObjectScanner/Protection/CDCheck.cs

@@ -6,11 +6,7 @@ namespace BinaryObjectScanner.Protection
     public class CDCheck : IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;

BinaryObjectScanner/Protection/CDDVDCops.cs

@@ -1,5 +1,7 @@
 using System;
+#if NET40_OR_GREATER || NETCOREAPP
 using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -67,11 +69,7 @@ namespace BinaryObjectScanner.Protection
     {
         // TODO: Investigate reference to "CD32COPS.DLL" in "WETFLIPP.QZ_" in IA item "Triada_Russian_DVD_Complete_Collection_of_Erotic_Games".
         /// <inheritdoc/>
-#if NET48
-        public string CheckContents(string file, byte[] fileContent, bool includeDebug)
-#else
         public string? CheckContents(string file, byte[] fileContent, bool includeDebug)
-#endif
         {
             // TODO: Obtain a sample to find where this string is in a typical executable
             if (includeDebug)
@@ -80,14 +78,14 @@ namespace BinaryObjectScanner.Protection
                 {
                     // TODO: Remove from here once it's confirmed that no PE executables contain this string
                     // CD-Cops,  ver. 
-                    new ContentMatchSet(new byte?[]
+                    new(new byte?[]
                     {
                         0x43, 0x44, 0x2D, 0x43, 0x6F, 0x70, 0x73, 0x2C,
                         0x20, 0x20, 0x76, 0x65, 0x72, 0x2E, 0x20
                     }, GetVersion, "CD-Cops (Unconfirmed - Please report to us on Github)"),
 
                     // // DVD-Cops,  ver. 
-                    new ContentMatchSet(new byte?[]
+                    new(new byte?[]
                     {
                         0x44, 0x56, 0x44, 0x2D, 0x43, 0x6F, 0x70, 0x73,
                         0x2C, 0x20, 0x20, 0x76, 0x65, 0x72, 0x2E, 0x20
@@ -101,11 +99,7 @@ namespace BinaryObjectScanner.Protection
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckNewExecutable(string file, NewExecutable nex, bool includeDebug)
-#else
         public string? CheckNewExecutable(string file, NewExecutable nex, bool includeDebug)
-#endif
         {
             // TODO: Don't read entire file
             var data = nex.ReadArbitraryRange();
@@ -117,7 +111,7 @@ namespace BinaryObjectScanner.Protection
             {
                 // CD-Cops,  ver. 
                 // Found in "h3blade.exe" in Redump entry 85077.
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x43, 0x44, 0x2D, 0x43, 0x6F, 0x70, 0x73, 0x2C,
                     0x20, 0x20, 0x76, 0x65, 0x72, 0x2E, 0x20
@@ -149,11 +143,7 @@ namespace BinaryObjectScanner.Protection
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -167,14 +157,14 @@ namespace BinaryObjectScanner.Protection
             {
                 // WEBCOPS
                 // Found in "HyperBowl.C_S" in https://web.archive.org/web/20120616074941/http://icm.games.tucows.com/files2/HyperDemo-109a.exe.
-                new ContentMatchSet(new byte?[]
+                new(new byte?[]
                 {
                     0x57, 0x45, 0x42, 0x43, 0x4F, 0x50, 0x53
                 }, "WEB-Cops")
             };
 
                 var match = MatchUtil.GetFirstMatch(file, pex.StubExecutableData, matchers, includeDebug);
-                if (!string.IsNullOrWhiteSpace(match))
+                if (!string.IsNullOrEmpty(match))
                     return match;
             }
 
@@ -194,8 +184,8 @@ namespace BinaryObjectScanner.Protection
         }
 
         /// <inheritdoc/>
-#if NET48
-        public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
+#if NET20 || NET35
+        public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #else
         public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #endif
@@ -207,23 +197,19 @@ namespace BinaryObjectScanner.Protection
                 // Presumably used to increase the amount of data written to the disc to allow DPM checking to be used for the protection. It's unknown if this file is used on any other protected discs.
 
                 // Found in Redump entry 84517.
-                new PathMatchSet(new PathMatch("CDCOPS.DLL", useEndsWith: true), "CD-Cops"),
-                new PathMatchSet(new PathMatch(".W_X", matchExact: true, useEndsWith: true), "CD/DVD-Cops"),
-                new PathMatchSet(new PathMatch(".QZ_", matchExact: true, useEndsWith: true), "CD/DVD-Cops"),
+                new(new PathMatch("CDCOPS.DLL", useEndsWith: true), "CD-Cops"),
+                new(new PathMatch(".W_X", matchExact: true, useEndsWith: true), "CD/DVD-Cops"),
+                new(new PathMatch(".QZ_", matchExact: true, useEndsWith: true), "CD/DVD-Cops"),
 
-                new PathMatchSet(new PathMatch(".GZ_", matchExact: true, useEndsWith: true), "CD-Cops (Unconfirmed - Please report to us on Github)"),
-                new PathMatchSet(new PathMatch(".Qz", matchExact: true, useEndsWith: true), "CD-Cops (Unconfirmed - Please report to us on Github)"),
+                new(new PathMatch(".GZ_", matchExact: true, useEndsWith: true), "CD-Cops (Unconfirmed - Please report to us on Github)"),
+                new(new PathMatch(".Qz", matchExact: true, useEndsWith: true), "CD-Cops (Unconfirmed - Please report to us on Github)"),
             };
 
-            return MatchUtil.GetAllMatches(files ?? System.Array.Empty<string>(), matchers, any: true);
+            return MatchUtil.GetAllMatches(files, matchers, any: true);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckFilePath(string path)
-#else
         public string? CheckFilePath(string path)
-#endif
         {
             var matchers = new List<PathMatchSet>
             {
@@ -231,28 +217,30 @@ namespace BinaryObjectScanner.Protection
                 // Presumably used to increase the amount of data written to the disc to allow DPM checking to be used for the protection. It's unknown if this file is used on any other protected discs.
 
                 // Found in Redump entry 84517.
-                new PathMatchSet(new PathMatch("CDCOPS.DLL", useEndsWith: true), "CD-Cops"),
-                new PathMatchSet(new PathMatch(".W_X", matchExact: true, useEndsWith: true), "CD/DVD-Cops"),
-                new PathMatchSet(new PathMatch(".QZ_", matchExact: true, useEndsWith: true), "CD/DVD-Cops"),
+                new(new PathMatch("CDCOPS.DLL", useEndsWith: true), "CD-Cops"),
+                new(new PathMatch(".W_X", matchExact: true, useEndsWith: true), "CD/DVD-Cops"),
+                new(new PathMatch(".QZ_", matchExact: true, useEndsWith: true), "CD/DVD-Cops"),
 
-                new PathMatchSet(new PathMatch(".GZ_", matchExact: true, useEndsWith: true), "CD-Cops (Unconfirmed - Please report to us on Github)"),
-                new PathMatchSet(new PathMatch(".Qz", matchExact: true, useEndsWith: true), "CD-Cops (Unconfirmed - Please report to us on Github)"),
+                new(new PathMatch(".GZ_", matchExact: true, useEndsWith: true), "CD-Cops (Unconfirmed - Please report to us on Github)"),
+                new(new PathMatch(".Qz", matchExact: true, useEndsWith: true), "CD-Cops (Unconfirmed - Please report to us on Github)"),
             };
 
             return MatchUtil.GetFirstMatch(path, matchers, any: true);
         }
 
-#if NET48
-        public static string GetVersion(string file, byte[] fileContent, List<int> positions)
-#else
         public static string? GetVersion(string file, byte[]? fileContent, List<int> positions)
-#endif
         {
             // If we have no content
             if (fileContent == null)
                 return null;
 
+#if NET20 || NET35 || NET40
+            byte[] versionBytes = new byte[4];
+            Array.Copy(fileContent, positions[0] + 15, versionBytes, 0, 4);
+            char[] version = versionBytes.Select(b => (char)b).ToArray();
+#else
             char[] version = new ArraySegment<byte>(fileContent, positions[0] + 15, 4).Select(b => (char)b).ToArray();
+#endif
             if (version[0] == 0x00)
                 return string.Empty;
 

BinaryObjectScanner/Protection/CDGuard.cs

@@ -1,5 +1,7 @@
 using System;
+#if NET40_OR_GREATER || NETCOREAPP
 using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using System.Linq;
 using BinaryObjectScanner.Interfaces;
@@ -24,11 +26,7 @@ namespace BinaryObjectScanner.Protection
     public class CDGuard : IPathCheck, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -59,8 +57,8 @@ namespace BinaryObjectScanner.Protection
         }
 
         /// <inheritdoc/>
-#if NET48
-        public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
+#if NET20 || NET35
+        public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #else
         public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #endif
@@ -68,23 +66,19 @@ namespace BinaryObjectScanner.Protection
             var matchers = new List<PathMatchSet>
             {
                 // Found in Redump entry 97142.
-                new PathMatchSet(new PathMatch("cdguard.dll", useEndsWith: true), "CD-Guard Copy Protection System"),
+                new(new FilePathMatch("cdguard.dll"), "CD-Guard Copy Protection System"),
             };
 
-            return MatchUtil.GetAllMatches(files ?? System.Array.Empty<string>(), matchers, any: true);
+            return MatchUtil.GetAllMatches(files, matchers, any: true);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckFilePath(string path)
-#else
         public string? CheckFilePath(string path)
-#endif
         {
             var matchers = new List<PathMatchSet>
             {
                 // Found in Redump entry 97142.
-                new PathMatchSet(new PathMatch("cdguard.dll", useEndsWith: true), "CD-Guard Copy Protection System"),
+                new(new FilePathMatch("cdguard.dll"), "CD-Guard Copy Protection System"),
             };
 
             return MatchUtil.GetFirstMatch(path, matchers, any: true);

BinaryObjectScanner/Protection/CDKey.cs

@@ -7,11 +7,7 @@ namespace BinaryObjectScanner.Protection
     public class CDKey : IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;

BinaryObjectScanner/Protection/CDLock.cs

@@ -1,4 +1,6 @@
-using System.Collections.Concurrent;
+#if NET40_OR_GREATER || NETCOREAPP
+using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Matching;
@@ -27,11 +29,7 @@ namespace BinaryObjectScanner.Protection
     public class CDLock : IPathCheck, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -47,7 +45,7 @@ namespace BinaryObjectScanner.Protection
                     // Found in game executables protected with CD-Lock (Redump entries 24287 and 31615).
                     // TODO: Check for possible false postives (Redump entry 97942).
                     // 2 + (char)0xF2 + (char)0x02 + (char)0x82 + (char)0xC3 + (char)0xBC + (char)0x0B + $ + (char)0x99 + (char)0xAD + 'C + (char)0xE4 + (char)0x9D + st + (char)0x99 + (char)0xFA + 2$ + (char)0x9D + )4 + (char)0xFF + t
-                    new ContentMatchSet(new byte?[]
+                    new(new byte?[]
                     {
                         0x32, 0xF2, 0x02, 0x82, 0xC3, 0xBC, 0x0B, 0x24,
                         0x99, 0xAD, 0x27, 0x43, 0xE4, 0x9D, 0x73, 0x74,
@@ -57,7 +55,7 @@ namespace BinaryObjectScanner.Protection
                 };
 
                 var match = MatchUtil.GetFirstMatch(file, dataSectionRaw, matchers, includeDebug);
-                if (!string.IsNullOrWhiteSpace(match))
+                if (!string.IsNullOrEmpty(match))
                     return match;
             }
 
@@ -65,8 +63,8 @@ namespace BinaryObjectScanner.Protection
         }
 
         /// <inheritdoc/>
-#if NET48
-        public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
+#if NET20 || NET35
+        public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #else
         public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #endif
@@ -76,27 +74,23 @@ namespace BinaryObjectScanner.Protection
                 // TODO: Determine if there's any consistency in the naming of the additional AFP files.
 
                 // Found in every confirmed sample of CD-Lock, generally (but not always) appears to include markers relating to the additional AFP files present (Redump entries 24287 and 31615). 
-                new PathMatchSet(new PathMatch("CONFIG.AFP", useEndsWith: true), "CD-Lock"),
+                new(new PathMatch("CONFIG.AFP", useEndsWith: true), "CD-Lock"),
 
                 // There is also a "$$$$$$$$.$$$" file present on some discs, but it isn't known if this is directly related to CD-Lock (Redump entries 37788 and 43221).
             };
 
-            return MatchUtil.GetAllMatches(files ?? System.Array.Empty<string>(), matchers, any: true);
+            return MatchUtil.GetAllMatches(files, matchers, any: true);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckFilePath(string path)
-#else
         public string? CheckFilePath(string path)
-#endif
         {
             var matchers = new List<PathMatchSet>
             {
                 // TODO: Determine if there's any consistency in the naming of the additional AFP files.
 
                 // Found in every confirmed sample of CD-Lock, generally (but not always) appears to include markers relating to the additional AFP files present (Redump entries 24287 and 31615).
-                new PathMatchSet(new PathMatch("CONFIG.AFP", useEndsWith: true), "CD-Lock"),
+                new(new PathMatch("CONFIG.AFP", useEndsWith: true), "CD-Lock"),
 
                 // There is also a "$$$$$$$$.$$$" file present on some discs, but it isn't known if this is directly related to CD-Lock (Redump entries 37788 and 43221).
             };

BinaryObjectScanner/Protection/CDProtector.cs

@@ -1,4 +1,6 @@
-using System.Collections.Concurrent;
+#if NET40_OR_GREATER || NETCOREAPP
+using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Matching;
@@ -17,8 +19,8 @@ namespace BinaryObjectScanner.Protection
     public class CDProtector : IPathCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
+#if NET20 || NET35
+        public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #else
         public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #endif
@@ -30,24 +32,20 @@ namespace BinaryObjectScanner.Protection
                 // "_cdp32.dat" is actually an archive that contains the original executable.
                 // Another EXE is created, with the name of the original executable. I'm not sure what this executable does, but it appears to be compressed with NeoLite.
                 // TODO: Invesitage if this EXE itself can be detected in any way.
-                new PathMatchSet(new PathMatch("_cdp16.dat", useEndsWith: true), "CD-Protector"),
-                new PathMatchSet(new PathMatch("_cdp16.dll", useEndsWith: true), "CD-Protector"),
-                new PathMatchSet(new PathMatch("_cdp32.dat", useEndsWith: true), "CD-Protector"),
-                new PathMatchSet(new PathMatch("_cdp32.dll", useEndsWith: true), "CD-Protector"),
+                new(new FilePathMatch("_cdp16.dat"), "CD-Protector"),
+                new(new FilePathMatch("_cdp16.dll"), "CD-Protector"),
+                new(new FilePathMatch("_cdp32.dat"), "CD-Protector"),
+                new(new FilePathMatch("_cdp32.dll"), "CD-Protector"),
 
                 // This is the "Phantom Trax" file generated by CD-Protector, intended to be burned to a protected CD as an audio track.
-                new PathMatchSet(new PathMatch("Track#1 - Track#2 Cd-Protector.wav", useEndsWith: true), "CD-Protector"),
+                new(new FilePathMatch("Track#1 - Track#2 Cd-Protector.wav"), "CD-Protector"),
             };
 
-            return MatchUtil.GetAllMatches(files ?? System.Array.Empty<string>(), matchers, any: true);
+            return MatchUtil.GetAllMatches(files, matchers, any: true);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckFilePath(string path)
-#else
         public string? CheckFilePath(string path)
-#endif
         {
             var matchers = new List<PathMatchSet>
             {
@@ -56,13 +54,13 @@ namespace BinaryObjectScanner.Protection
                 // "_cdp32.dat" is actually an archive that contains the original executable.
                 // Another EXE is created, with the name of the original executable. I'm not sure what this executable does, but it appears to be compressed with NeoLite.
                 // TODO: Invesitage if this EXE itself can be detected in any way.
-                new PathMatchSet(new PathMatch("_cdp16.dat", useEndsWith: true), "CD-Protector"),
-                new PathMatchSet(new PathMatch("_cdp16.dll", useEndsWith: true), "CD-Protector"),
-                new PathMatchSet(new PathMatch("_cdp32.dat", useEndsWith: true), "CD-Protector"),
-                new PathMatchSet(new PathMatch("_cdp32.dll", useEndsWith: true), "CD-Protector"),
+                new(new FilePathMatch("_cdp16.dat"), "CD-Protector"),
+                new(new FilePathMatch("_cdp16.dll"), "CD-Protector"),
+                new(new FilePathMatch("_cdp32.dat"), "CD-Protector"),
+                new(new FilePathMatch("_cdp32.dll"), "CD-Protector"),
 
                 // This is the "Phantom Trax" file generated by CD-Protector, intended to be burned to a protected CD as an audio track.
-                new PathMatchSet(new PathMatch("Track#1 - Track#2 Cd-Protector.wav", useEndsWith: true), "CD-Protector"),
+                new(new FilePathMatch("Track#1 - Track#2 Cd-Protector.wav"), "CD-Protector"),
             };
 
             return MatchUtil.GetFirstMatch(path, matchers, any: true);

BinaryObjectScanner/Protection/CDSHiELDSE.cs

@@ -8,11 +8,7 @@ namespace BinaryObjectScanner.Protection
     public class CDSHiELDSE : IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;

BinaryObjectScanner/Protection/CDX.cs

@@ -1,15 +1,21 @@
-using System.Collections.Concurrent;
+#if NET40_OR_GREATER || NETCOREAPP
+using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Matching;
 
 namespace BinaryObjectScanner.Protection
 {
+    // Nothing is currently known about this DRM. One program may possibly have included it, as it has been listed as including these files in the installion directory (https://www.advanceduninstaller.com/Visit-Gallery-2-90896afd3151ed9660dddc23b892863f-application.htm).
+    // Unfortunately, this program and developer are so obscure, I'm not able to find any relevant further information on them whatsoever.
+    // The only source of valuable information currently known is a forum post about a user attempting to crack this DRM (https://forum.p30world.com/showthread.php?t=413264).
+    // Every attachment, upload, or photo from the forum thread are offline and unarchived.
     public class CDX : IPathCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
+#if NET20 || NET35
+        public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #else
         public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #endif
@@ -17,26 +23,22 @@ namespace BinaryObjectScanner.Protection
             // TODO: Verify if these are OR or AND
             var matchers = new List<PathMatchSet>
             {
-                new PathMatchSet(new PathMatch("CHKCDX16.DLL", useEndsWith: true), "CD-X (Unconfirmed - Please report to us on Github)"),
-                new PathMatchSet(new PathMatch("CHKCDX32.DLL", useEndsWith: true), "CD-X (Unconfirmed - Please report to us on Github)"),
-                new PathMatchSet(new PathMatch("CHKCDXNT.DLL", useEndsWith: true), "CD-X (Unconfirmed - Please report to us on Github)"),
+                new(new FilePathMatch("CHKCDX16.DLL"), "CD-X (Unconfirmed - Please report to us on Github)"),
+                new(new FilePathMatch("CHKCDX32.DLL"), "CD-X (Unconfirmed - Please report to us on Github)"),
+                new(new FilePathMatch("CHKCDXNT.DLL"), "CD-X (Unconfirmed - Please report to us on Github)"),
             };
 
-            return MatchUtil.GetAllMatches(files ?? System.Array.Empty<string>(), matchers, any: true);
+            return MatchUtil.GetAllMatches(files, matchers, any: true);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckFilePath(string path)
-#else
         public string? CheckFilePath(string path)
-#endif
         {
             var matchers = new List<PathMatchSet>
             {
-                new PathMatchSet(new PathMatch("CHKCDX16.DLL", useEndsWith: true), "CD-X (Unconfirmed - Please report to us on Github)"),
-                new PathMatchSet(new PathMatch("CHKCDX32.DLL", useEndsWith: true), "CD-X (Unconfirmed - Please report to us on Github)"),
-                new PathMatchSet(new PathMatch("CHKCDXNT.DLL", useEndsWith: true), "CD-X (Unconfirmed - Please report to us on Github)"),
+                new(new FilePathMatch("CHKCDX16.DLL"), "CD-X (Unconfirmed - Please report to us on Github)"),
+                new(new FilePathMatch("CHKCDX32.DLL"), "CD-X (Unconfirmed - Please report to us on Github)"),
+                new(new FilePathMatch("CHKCDXNT.DLL"), "CD-X (Unconfirmed - Please report to us on Github)"),
             };
 
             return MatchUtil.GetFirstMatch(path, matchers, any: true);

BinaryObjectScanner/Protection/CactusDataShield.cs

@@ -8,11 +8,7 @@ namespace BinaryObjectScanner.Protection
     public class CactusDataShield : IContentCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckContents(string file, byte[] fileContent, bool includeDebug)
-#else
         public string? CheckContents(string file, byte[] fileContent, bool includeDebug)
-#endif
         {
             // TODO: Limit these checks to Mac binaries
             // TODO: Obtain a sample to find where this string is in a typical executable
@@ -21,10 +17,10 @@ namespace BinaryObjectScanner.Protection
                 var contentMatchSets = new List<ContentMatchSet>
                 {
                     // CDSPlayer
-                    new ContentMatchSet(new byte?[] { 0x43, 0x44, 0x53, 0x50, 0x6C, 0x61, 0x79, 0x65, 0x72 }, "Cactus Data Shield 200"),
+                    new(new byte?[] { 0x43, 0x44, 0x53, 0x50, 0x6C, 0x61, 0x79, 0x65, 0x72 }, "Cactus Data Shield 200"),
 
                     // yucca.cds
-                    new ContentMatchSet(new byte?[] { 0x79, 0x75, 0x63, 0x63, 0x61, 0x2E, 0x63, 0x64, 0x73 }, "Cactus Data Shield 200"),
+                    new(new byte?[] { 0x79, 0x75, 0x63, 0x63, 0x61, 0x2E, 0x63, 0x64, 0x73 }, "Cactus Data Shield 200"),
                 };
 
                 if (contentMatchSets != null && contentMatchSets.Any())

BinaryObjectScanner/Protection/CenegaProtectDVD.cs

@@ -1,5 +1,7 @@
 using System;
+#if NET40_OR_GREATER || NETCOREAPP
 using System.Collections.Concurrent;
+#endif
 using System.Collections.Generic;
 using BinaryObjectScanner.Interfaces;
 using SabreTools.Matching;
@@ -15,11 +17,7 @@ namespace BinaryObjectScanner.Protection
     public class CengaProtectDVD : IPathCheck, IPortableExecutableCheck
     {
         /// <inheritdoc/>
-#if NET48
-        public string CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#else
         public string? CheckPortableExecutable(string file, PortableExecutable pex, bool includeDebug)
-#endif
         {
             // Get the sections from the executable, if possible
             var sections = pex.Model.SectionTable;
@@ -57,8 +55,8 @@ namespace BinaryObjectScanner.Protection
         }
 
         /// <inheritdoc/>
-#if NET48
-        public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string> files)
+#if NET20 || NET35
+        public Queue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #else
         public ConcurrentQueue<string> CheckDirectoryPath(string path, IEnumerable<string>? files)
 #endif
@@ -67,24 +65,20 @@ namespace BinaryObjectScanner.Protection
             {
                 // Seems likely to be present in most, if not all discs protected with Cenega ProtectDVD, but unable to confirm due to only having a small sample size.
                 // Found in Redump entry 31422 and IA item "speed-pack".
-                new PathMatchSet(new PathMatch("cenega.dll", useEndsWith: true), "Cenega ProtectDVD"),
+                new(new FilePathMatch("cenega.dll"), "Cenega ProtectDVD"),
             };
 
-            return MatchUtil.GetAllMatches(files ?? System.Array.Empty<string>(), matchers, any: true);
+            return MatchUtil.GetAllMatches(files, matchers, any: true);
         }
 
         /// <inheritdoc/>
-#if NET48
-        public string CheckFilePath(string path)
-#else
         public string? CheckFilePath(string path)
-#endif
         {
             var matchers = new List<PathMatchSet>
             {
                 // Seems likely to be present in most, if not all discs protected with Cenega ProtectDVD, but unable to confirm due to only having a small sample size.
                 // Found in Redump entry 31422 and IA item "speed-pack".
-                new PathMatchSet(new PathMatch("cenega.dll", useEndsWith: true), "Cenega ProtectDVD"),
+                new(new FilePathMatch("cenega.dll"), "Cenega ProtectDVD"),
             };
 
             return MatchUtil.GetFirstMatch(path, matchers, any: true);